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[Leo] 2026 Feb Model Upgrade #33973

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Merged
Steeeephen merged 9 commits into from
Mar 2, 2026
+70 −63
Merged

[Leo] 2026 Feb Model Upgrade #33973

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51e1163
[Leo] update models
Steeeephen Feb 16, 2026
14d1e38
add near GLM 5
Steeeephen Feb 25, 2026
c5b9553
address netzen comments
Steeeephen Feb 25, 2026
ef48b10
formatting
Steeeephen Feb 25, 2026
27a1461
Merge branch 'master' into 2026-02-leo-new-models
Steeeephen Feb 26, 2026
d84bab6
add removed models to clearprefs migration
Steeeephen Feb 26, 2026
a996d97
Merge branch 'master' into 2026-02-leo-new-models
jameshawrych Feb 27, 2026
e00bd2b
correct model key name to chat-near-deepseek
jameshawrych Feb 27, 2026
8769d5e
clean up strings
Steeeephen Mar 2, 2026
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16 changes: 8 additions & 8 deletions browser/ui/webui/settings/brave_settings_localized_strings_provider.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -593,10 +593,10 @@ void BraveAddCommonStrings(content::WebUIDataSource* html_source,
{"braveLeoModelSubtitle-chat-claude-sonnet",
IDS_CHAT_UI_CHAT_CLAUDE_SONNET_SUBTITLE},
{"braveLeoModelSubtitle-chat-qwen", IDS_CHAT_UI_CHAT_QWEN_SUBTITLE},
{"braveLeoModelSubtitle-chat-near-deepseek-v3-1",
IDS_CHAT_UI_CHAT_NEAR_DEEPSEEK_V3_1_SUBTITLE},
{"braveLeoModelSubtitle-chat-llama-4-scout",
IDS_CHAT_UI_CHAT_LLAMA_4_SCOUT_SUBTITLE},
{"braveLeoModelSubtitle-chat-near-glm-5",
IDS_CHAT_UI_CHAT_NEAR_GLM_5_SUBTITLE},
{"braveLeoModelSubtitle-chat-glm-4-7-flash",
IDS_CHAT_UI_CHAT_GLM_4_7_FLASH_SUBTITLE},
{"braveLeoModelSubtitle-chat-llama-4-maverick",
IDS_CHAT_UI_CHAT_LLAMA_4_MAVERICK_SUBTITLE},
{"braveLeoModelSubtitle-chat-gpt-oss-20b",
Expand All @@ -605,12 +605,12 @@ void BraveAddCommonStrings(content::WebUIDataSource* html_source,
IDS_CHAT_UI_CHAT_GPT_OSS_120B_SUBTITLE},
{"braveLeoModelSubtitle-chat-mistral-large",
IDS_CHAT_UI_CHAT_MISTRAL_LARGE_SUBTITLE},
{"braveLeoModelSubtitle-chat-pixtral-large",
IDS_CHAT_UI_CHAT_PIXTRAL_LARGE_SUBTITLE},
{"braveLeoModelSubtitle-chat-kimi-k2-5",
IDS_CHAT_UI_CHAT_KIMI_K2_5_SUBTITLE},
{"braveLeoModelSubtitle-chat-qwen-3-235b",
IDS_CHAT_UI_CHAT_QWEN_3_235B_SUBTITLE},
{"braveLeoModelSubtitle-chat-deepseek-v3-1",
IDS_CHAT_UI_CHAT_DEEPSEEK_V3_1_SUBTITLE},
{"braveLeoModelSubtitle-chat-deepseek-v3-2",
IDS_CHAT_UI_CHAT_DEEPSEEK_V3_2_SUBTITLE},
{"braveLeoModelSubtitle-chat-qwen-3-coder-480b",
IDS_CHAT_UI_CHAT_QWEN_3_CODER_480B_SUBTITLE},
{"braveLeoModelSubtitle-chat-claude-opus",
Expand Down
73 changes: 39 additions & 34 deletions components/ai_chat/core/browser/model_service.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -210,11 +210,11 @@ const std::vector<mojom::ModelPtr>& GetLeoModels() {
models.push_back(std::move(model));
}

// Llama 4 Scout
// GLM 4.7 Flash
{
auto options = mojom::LeoModelOptions::New();
options->display_maker = "Meta";
options->name = "llama-4-scout";
options->display_maker = "Z.ai";
options->name = "glm-4-7-flash";
options->category = mojom::ModelCategory::CHAT;
options->access = features::kFreemiumAvailable.Get()
? mojom::ModelAccess::BASIC_AND_PREMIUM
Expand All @@ -223,10 +223,10 @@ const std::vector<mojom::ModelPtr>& GetLeoModels() {
options->long_conversation_warning_character_limit = 9700;

auto model = mojom::Model::New();
model->key = "chat-llama-4-scout";
model->display_name = "Llama 4 Scout";
model->key = "chat-glm-4-7-flash";
model->display_name = "GLM 4.7 Flash";
model->vision_support = true;
model->supports_tools = false;
model->supports_tools = true;
model->is_suggested_model = false;
model->is_near_model = false;
model->options =
Expand Down Expand Up @@ -331,21 +331,21 @@ const std::vector<mojom::ModelPtr>& GetLeoModels() {
models.push_back(std::move(model));
}

// Pixtral Large
// Kimi K2.5
{
auto options = mojom::LeoModelOptions::New();
options->display_maker = "Mistral";
options->name = "pixtral-large";
options->display_maker = "Moonshot AI";
options->name = "kimi-k2-5";
options->category = mojom::ModelCategory::CHAT;
options->access = mojom::ModelAccess::PREMIUM;
options->max_associated_content_length = 64000;
options->long_conversation_warning_character_limit = 9700;

auto model = mojom::Model::New();
model->key = "chat-pixtral-large";
model->display_name = "Pixtral Large";
model->vision_support = true;
model->supports_tools = false;
model->key = "chat-kimi-k2-5";
model->display_name = "Kimi K2.5";
model->vision_support = false;
model->supports_tools = true;
model->is_suggested_model = false;
model->is_near_model = false;
model->options =
Expand Down Expand Up @@ -377,19 +377,19 @@ const std::vector<mojom::ModelPtr>& GetLeoModels() {
models.push_back(std::move(model));
}

// Deepseek V3.1
// Deepseek V3.2
{
auto options = mojom::LeoModelOptions::New();
options->display_maker = "Deepseek";
options->name = "deepseek-v3-1";
options->name = "deepseek-v3-2";
options->category = mojom::ModelCategory::CHAT;
options->access = mojom::ModelAccess::PREMIUM;
options->max_associated_content_length = 64000;
options->long_conversation_warning_character_limit = 9700;

auto model = mojom::Model::New();
model->key = "chat-deepseek-v3-1";
model->display_name = "Deepseek V3.1";
model->key = "chat-deepseek-v3-2";
model->display_name = "Deepseek V3.2";
model->vision_support = false;
model->supports_tools = false;
model->is_suggested_model = false;
Expand Down Expand Up @@ -471,19 +471,19 @@ const std::vector<mojom::ModelPtr>& GetLeoModels() {
models.push_back(std::move(model));
}

// DeepSeek V3.1 (NEAR)
// GLM-5 (NEAR)
if (features::IsNEARModelsEnabled()) {
auto options = mojom::LeoModelOptions::New();
options->display_maker = "DeepSeek";
options->name = "near-deepseek-v3-1";
options->display_maker = "Z.ai";
options->name = "near-glm-5";
options->category = mojom::ModelCategory::CHAT;
options->access = kFreemiumAccess;
options->max_associated_content_length = 128000;
options->long_conversation_warning_character_limit = 128000;

auto model = mojom::Model::New();
model->key = "chat-near-deepseek-v3-1";
model->display_name = "DeepSeek V3.1";
model->key = "chat-near-glm-5";
model->display_name = "GLM-5";
model->vision_support = false;
model->supports_tools = false;
model->is_suggested_model = true;
Expand Down Expand Up @@ -593,14 +593,19 @@ void ModelService::MigrateProfilePrefs(PrefService* profile_prefs) {
if (ai_chat::features::IsAIChatEnabled()) {
profile_prefs->ClearPref(prefs::kObseleteBraveChatAutoGenerateQuestions);

// Migrate old model keys to kChatAutomaticModelKey
constexpr std::array<const char*, 3> kOldModelKeys = {
// Migrate old model keys to "chat-automatic"
constexpr std::array<const char*, 7> kOldModelKeys = {
// Added: June 6, 2024. Checks can be removed eventually
"chat-default",
// Added: May 28, 2025. Checks can be removed eventually
"chat-leo-expanded",
// Added: July 15, 2025. Checks can be removed eventually
"chat-vision-basic",
// These 4 added Feb 26, 2026. Checks can be removed eventually
"chat-llama-4-scout",
"chat-pixtral-large",
"chat-deepseek-v3-1",
"chat-near-deepseek-v3-1",
};

if (auto* default_model_value =
Expand Down Expand Up @@ -769,15 +774,15 @@ ModelService::GetModelsWithSubtitles() {
} else if (model->key == "chat-qwen") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_QWEN_SUBTITLE);
} else if (model->key == "chat-near-deepseek-v3-1") {
model_with_subtitle->subtitle = l10n_util::GetStringUTF8(
IDS_CHAT_UI_CHAT_NEAR_DEEPSEEK_V3_1_SUBTITLE);
} else if (model->key == kChatAutomaticModelKey) {
} else if (model->key == "chat-near-glm-5") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_NEAR_GLM_5_SUBTITLE);
} else if (model->key == "chat-automatic") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_AUTOMATIC_SUBTITLE);
} else if (model->key == "chat-llama-4-scout") {
} else if (model->key == "chat-glm-4-7-flash") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_LLAMA_4_SCOUT_SUBTITLE);
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_GLM_4_7_FLASH_SUBTITLE);
} else if (model->key == "chat-llama-4-maverick") {
model_with_subtitle->subtitle = l10n_util::GetStringUTF8(
IDS_CHAT_UI_CHAT_LLAMA_4_MAVERICK_SUBTITLE);
Expand All @@ -790,15 +795,15 @@ ModelService::GetModelsWithSubtitles() {
} else if (model->key == "chat-mistral-large") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_MISTRAL_LARGE_SUBTITLE);
} else if (model->key == "chat-pixtral-large") {
} else if (model->key == "chat-kimi-k2-5") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_PIXTRAL_LARGE_SUBTITLE);
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_KIMI_K2_5_SUBTITLE);
} else if (model->key == "chat-qwen-3-235b") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_QWEN_3_235B_SUBTITLE);
} else if (model->key == "chat-deepseek-v3-1") {
} else if (model->key == "chat-deepseek-v3-2") {
model_with_subtitle->subtitle =
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_DEEPSEEK_V3_1_SUBTITLE);
l10n_util::GetStringUTF8(IDS_CHAT_UI_CHAT_DEEPSEEK_V3_2_SUBTITLE);
} else if (model->key == "chat-qwen-3-coder-480b") {
model_with_subtitle->subtitle = l10n_util::GetStringUTF8(
IDS_CHAT_UI_CHAT_QWEN_3_CODER_480B_SUBTITLE);
Expand Down
8 changes: 4 additions & 4 deletions components/ai_chat/resources/common/constants.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -9,21 +9,21 @@ export const IGNORE_EXTERNAL_LINK_WARNING_KEY = 'IGNORE_EXTERNAL_LINK_WARNING'

const modelIcons = {
'chat-automatic': 'product-brave-leo',
'chat-near-deepseek-v3-1': 'deepseek-color',
'chat-near-glm-5': 'zai-color',
'chat-claude-instant': 'anthropic-color',
'chat-claude-haiku': 'anthropic-color',
'chat-claude-sonnet': 'anthropic-color',
'chat-qwen': 'qwen-color',
'chat-brave-summary': 'social-brave-release-favicon-fullheight-color',
'chat-basic': 'meta-color',
'chat-llama-4-scout': 'meta-color',
'chat-glm-4-7-flash': 'zai-color',
'chat-llama-4-maverick': 'meta-color',
'chat-gpt-oss-20b': 'openai-color',
'chat-gpt-oss-120b': 'openai-color',
'chat-mistral-large': 'mistral-color',
'chat-pixtral-large': 'mistral-color',
'chat-kimi-k2-5': 'kimi-color',
'chat-qwen-3-235b': 'qwen-color',
'chat-deepseek-v3-1': 'deepseek-color',
'chat-deepseek-v3-2': 'deepseek-color',
'chat-qwen-3-coder-480b': 'qwen-color',
'chat-claude-opus': 'anthropic-color',
}
Expand Down
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