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feat: v4.1.0 - GPT 5.2 support and full image input capabilities
## Added - GPT 5.2 model family with 4 reasoning presets (low/medium/high/xhigh) - Full image input support for all 16 models via modalities config - GPT 5.2 model family in codex.ts with dedicated prompt handling ## Changed - Model ordering: GPT 5.2 → Codex Max → Codex → Codex Mini → GPT 5.1 - Removed default presets without explicit reasoning suffix - Updated @opencode-ai/plugin to ^1.0.150 (audit fix) - Test script now uses local dist and includes GPT 5.2 tests ## Tests - 193 unit tests + 16 integration tests (all passing) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <[email protected]>
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‎CHANGELOG.md‎

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All notable changes to this project are documented here. Dates use the ISO format (YYYY-MM-DD).
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## [4.1.0] - 2025-12-11
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**Feature release**: GPT 5.2 model support and image input capabilities.
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### Added
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- **GPT 5.2 model family support**: Full support for OpenAI's latest GPT 5.2 model with 4 reasoning level presets:
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- `gpt-5.2-low` - Fast responses with light reasoning
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- `gpt-5.2-medium` - Balanced reasoning for general tasks
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- `gpt-5.2-high` - Complex reasoning and analysis
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- `gpt-5.2-xhigh` - Deep multi-hour analysis (same as Codex Max)
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- **Full image input support**: All 16 model variants now include `modalities.input: ["text", "image"]` enabling full multimodal capabilities - read screenshots, diagrams, UI mockups, and any image directly in OpenCode.
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- **GPT 5.2 model family** added to `codex.ts` with dedicated prompt handling.
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- **Test coverage**: Updated integration tests to verify all 16 models (was 13), now 193 unit tests + 16 integration tests.
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### Changed
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- **Model ordering**: Config now ordered by model family priority: GPT 5.2 → Codex Max → Codex → Codex Mini → GPT 5.1.
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- **Removed default presets**: Removed `gpt-5.1-codex-max` and `gpt-5.2` (without reasoning suffix) to enforce explicit reasoning level selection.
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- **Test script**: `scripts/test-all-models.sh` now uses local dist for testing and includes GPT 5.2 tests.
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- **Documentation**: Updated README with GPT 5.2 models, image support, and condensed config example.
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### Technical Details
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- GPT 5.2 maps to `gpt-5.2` API model with same reasoning options as Codex Max (`low/medium/high/xhigh`).
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- `getModelFamily()` now returns `"gpt-5.2"` for GPT 5.2 models, using Codex Max prompts.
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- `getReasoningConfig()` treats GPT 5.2 like Codex Max for `xhigh` reasoning support.
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- Model normalization pattern matching updated to recognize GPT 5.2 before other patterns.
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## [4.0.2] - 2025-11-27
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**Bugfix release**: Fixes compaction context loss, agent creation, and SSE/JSON response handling.

‎README.md‎

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‎config/full-opencode.json‎

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{
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"$schema": "https://opencode.ai/config.json",
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"plugin": [
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"opencode-openai-codex-auth@4.0.2"
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"opencode-openai-codex-auth@4.1.0"
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],
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"provider": {
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"openai": {
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"store": false
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},
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"models": {
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"gpt-5.1-codex-low": {
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"name": "GPT 5.1 Codex Low (OAuth)",
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"gpt-5.2-low": {
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"name": "GPT 5.2 Low (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "low",
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"reasoningSummary": "auto",
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"store": false
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}
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},
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"gpt-5.1-codex-medium": {
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"name": "GPT 5.1 Codex Medium (OAuth)",
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"gpt-5.2-medium": {
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"name": "GPT 5.2 Medium (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "medium",
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"reasoningSummary": "auto",
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"store": false
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}
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},
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"gpt-5.1-codex-high": {
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"name": "GPT 5.1 Codex High (OAuth)",
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"gpt-5.2-high": {
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"name": "GPT 5.2 High (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "high",
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"reasoningSummary": "detailed",
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"store": false
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}
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},
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"gpt-5.1-codex-max": {
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"name": "GPT 5.1 Codex Max (OAuth)",
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"gpt-5.2-xhigh": {
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"name": "GPT 5.2 Extra High (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "high",
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"reasoningEffort": "xhigh",
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"reasoningSummary": "detailed",
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"textVerbosity": "medium",
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"include": [
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "low",
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"reasoningSummary": "detailed",
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "medium",
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"reasoningSummary": "detailed",
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "high",
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"reasoningSummary": "detailed",
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "xhigh",
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"reasoningSummary": "detailed",
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"store": false
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}
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},
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"gpt-5.1-codex-low": {
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"name": "GPT 5.1 Codex Low (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "low",
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"reasoningSummary": "auto",
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"textVerbosity": "medium",
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"include": [
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"reasoning.encrypted_content"
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],
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"store": false
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}
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},
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"gpt-5.1-codex-medium": {
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"name": "GPT 5.1 Codex Medium (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "medium",
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"reasoningSummary": "auto",
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"textVerbosity": "medium",
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"include": [
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"reasoning.encrypted_content"
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],
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"store": false
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}
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},
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"gpt-5.1-codex-high": {
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"name": "GPT 5.1 Codex High (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "high",
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"reasoningSummary": "detailed",
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"textVerbosity": "medium",
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"include": [
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"reasoning.encrypted_content"
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],
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"store": false
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}
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},
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"gpt-5.1-codex-mini-medium": {
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"name": "GPT 5.1 Codex Mini Medium (OAuth)",
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"limit": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "medium",
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"reasoningSummary": "auto",
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningSummary": "detailed",
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "low",
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"reasoningSummary": "auto",
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"context": 272000,
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"output": 128000
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},
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"modalities": {
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"input": ["text", "image"],
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"output": ["text"]
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},
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"options": {
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"reasoningEffort": "high",
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}
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}
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}
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}

‎lib/prompts/codex.ts‎

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* Model family type for prompt selection
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* Maps to different system prompts in the Codex CLI
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*/
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export type ModelFamily = "codex-max" | "codex" | "gpt-5.1";
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export type ModelFamily = "codex-max" | "codex" | "gpt-5.2" | "gpt-5.1";
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const PROMPT_FILES: Record<ModelFamily, string> = {
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"codex-max": "gpt-5.1-codex-max_prompt.md",
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codex: "gpt_5_codex_prompt.md",
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"gpt-5.2": "gpt-5.1-codex-max_prompt.md", // GPT 5.2 uses same prompts as codex-max
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"gpt-5.1": "gpt_5_1_prompt.md",
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};
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"codex-max": "codex-max-instructions.md",
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codex: "codex-instructions.md",
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"gpt-5.2": "gpt-5.2-instructions.md",
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"gpt-5.1": "gpt-5.1-instructions.md",
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};
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) {
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return "codex";
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}
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if (normalizedModel.includes("gpt-5.2")) {
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return "gpt-5.2";
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}
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return "gpt-5.1";
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}
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‎lib/request/helpers/model-map.ts‎

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"gpt-5.1-codex-max-high": "gpt-5.1-codex-max",
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"gpt-5.1-codex-max-xhigh": "gpt-5.1-codex-max",
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// ============================================================================
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// GPT-5.2 Models (same reasoning support as Codex Max: low/medium/high/xhigh)
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// ============================================================================
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"gpt-5.2": "gpt-5.2",
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"gpt-5.2-low": "gpt-5.2",
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"gpt-5.2-medium": "gpt-5.2",
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"gpt-5.2-high": "gpt-5.2",
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"gpt-5.2-xhigh": "gpt-5.2",
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// ============================================================================
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// GPT-5.1 Codex Mini Models
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// ============================================================================

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