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2OpenAI Release Notes·2d ago

OpenAI updates gpt-realtime-mini and gpt-audio-mini slugs to 2025-12-15 snapshots

OpenAI has updated the rolling model slugs gpt-realtime-mini and gpt-audio-mini to point to the 2025-12-15 model snapshots, replacing the previous 2025-10-06 versions. Developers needing the older snapshots can pin to gpt-realtime-mini-2025-10-06 and gpt-audio-mini-2025-10-06 explicitly. This is a routine API maintenance update affecting audio and realtime model endpoints.

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Related events (8)

3Openai Release Notes·2d ago·source ↗

OpenAI updates gpt-4o-mini-tts and gpt-4o-mini-transcribe slugs to 2025-12-15 snapshots

OpenAI has updated the floating model slugs for gpt-4o-mini-tts and gpt-4o-mini-transcribe to point to their 2025-12-15 snapshots, with the previous March 2025 snapshots remaining accessible via versioned identifiers. Notably, OpenAI now recommends gpt-4o-mini-transcribe over gpt-4o-transcribe for best transcription results, signaling a quality improvement in the mini-tier audio model.

5Openai Release Notes·2d ago·source ↗

OpenAI releases gpt-realtime-1.5 and gpt-audio-1.5 to production APIs

OpenAI has released gpt-realtime-1.5 to the Realtime API and gpt-audio-1.5 to the Chat Completions API. These are incremental model updates to OpenAI's audio and real-time speech capabilities. The release expands developer access to updated audio-capable models through existing API surfaces.

3Openai Release Notes·2d ago·source ↗

OpenAI updates gpt-5.2-chat-latest slug to current ChatGPT model

OpenAI updated the gpt-5.2-chat-latest API alias to point to the latest model version deployed in ChatGPT. This is a routing change to an API slug rather than a new model release, but signals a model version update in production. The change is relevant for API consumers who rely on the latest-slug for automatic model tracking.

3Openai Release Notes·2d ago·source ↗

OpenAI updates gpt-5.3-chat-latest API slug to current ChatGPT model

OpenAI updated the gpt-5.3-chat-latest API alias to point to the latest model deployed in ChatGPT. This is a routing change for API consumers who rely on the versioned slug rather than pinned model identifiers. The update signals a model version bump within the GPT-5.3 series.

7Openai Blog·1mo ago·source ↗

Introducing gpt-realtime and Realtime API updates

OpenAI is releasing a new speech-to-speech model called gpt-realtime alongside expanded Realtime API capabilities. New features include MCP server support, image input, and SIP phone calling support. These updates extend the Realtime API's utility for voice-driven and multimodal agent applications.

3Openai Release Notes·2d ago·source ↗

OpenAI updates chat-latest snapshot to latest Instant model

OpenAI has updated the `chat-latest` API snapshot to point to the latest Instant model used in ChatGPT, while recommending GPT-5.5 for production API usage. The `chat-latest` alias is intended for testing the most recent chat improvements and will be updated regularly. This is a minor infrastructure/routing change rather than a new model release.

3Openai Release Notes·2d ago·source ↗

OpenAI releases chat-latest API snapshot pointing to current ChatGPT model

OpenAI released a new API alias 'chat-latest' that tracks the latest Instant model powering ChatGPT, updated on a rolling basis. The release note explicitly recommends GPT-5.5 for production use, positioning chat-latest as a testing/preview endpoint rather than a stable production target. This is a minor infrastructure/API change rather than a new model capability announcement.

3Openai Release Notes·2d ago·source ↗

OpenAI releases chat-latest API snapshot pointing to current ChatGPT model

OpenAI released a new API alias 'chat-latest' that tracks the latest Instant model powering ChatGPT, updated on a rolling basis. The release note recommends GPT-5.5 for production use, positioning chat-latest as a testing surface for developers who want to preview the most recent chat improvements. This is a minor infrastructure/API change rather than a new model release.