feat(changelog): add new entry

Author: Changelog bot

changelog/august2025/2025-08-14-generative-apis-added-gpt-oss-and-qwen3-coder-are-now-a.mdx

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+---
+title: GPT-OSS and Qwen3 Coder are now available
+status: added
+date: 2025-08-14
+category: ai-data
+product: generative-apis
+---
+
+[GPT-OSS](https://www.scaleway.com/en/docs/generative-apis/reference-content/supported-models/), [Qwen3 Coder](https://www.scaleway.com/en/docs/generative-apis/reference-content/supported-models/) and [Mistral Small 3.2](https://www.scaleway.com/en/docs/generative-apis/reference-content/supported-models/) are now available on Generative APIs.
+
+GPT-OSS is a frontier open source model with significant reasoning capabilities and increased tokens thoughput performance.
+