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公式情報源から取得した更新履歴を、新しい順に。気になるサービスの変化を確かめましょう。

OpenAI API

Feature / gpt-4.1 / gpt-4.1-mini / gpt-4.1-nano / v1/responses / v1/chat/completions / v1/fine_tuning

Added gpt-4.1, gpt-4.1-mini, and gpt-4.1-nano models to the API. These new models feature improved instruction following, coding, and a larger context window (up to 1M tokens). gpt-4.1 and gpt-4.1-mini are available for supervised fine-tuning. Announced deprecation of gpt-4.5-preview.

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Gemini

April 9, 2025

Model updates: Released veo-2.0-generate-001, a generally available (GA) text- and image-to-video model, capable of generating detailed and artistically nuanced videos. To learn more, see the Veo docs. Released gemini-2.0-flash-live-001, a public preview version of the Live API model with billing enabled. Enhanced Session Management and Reliability Session Resumption: Keep sessions alive across temporary network disruptions. The API now supports server-side session state storage (for up to 24 hours) and provides handles (session_resumption) to reconnect and resume where you left off. Longer Sessions via Context Compression: Enable extended interactions beyond previous time limits. Configure context window compression with a sliding window mechanism to automatically manage context length, preventing abrupt terminations due to context limits. Graceful Disconnect Notification: Receive a GoAway server message indicating when a connection is about to close, allowing for graceful handling before termination. More Control over Interaction Dynamics Configurable Voice Activity Detection (VAD): Choose sensitivity levels or disable automatic VAD entirely and use new client events (activityStart, activityEnd) for manual turn control. Configurable Interruption Handling: Decide whether user input should interrupt the model's response. Configurable Turn Coverage: Choose whether the API processes all audio and video input continuously or only captures it when the end-user is detected speaking. Configurable Media Resolution: Optimize for quality or token usage by selecting the resolution for input media. Richer Output and Features Expanded Voice & Language Options: Choose from two new voices and 30 new languages for audio output. The output language is now configurable within speechConfig. Text Streaming: Receive text responses incrementally as they are generated, enabling faster display to the user. Token Usage Reporting: Gain insights into usage with detailed token counts provided in the usageMetadata field of server messages, broken down by modality and prompt or response phases.

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Gemini

April 4, 2025

Released gemini-2.5-pro-preview-03-25, a public preview Gemini 2.5 Pro version with billing enabled. You can continue to use gemini-2.5-pro-exp-03-25 on the free tier.

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Gemini

March 25, 2025

Released gemini-2.5-pro-exp-03-25, a public experimental Gemini model with thinking mode always on by default. To learn more, see Gemini 2.5 Pro Experimental.

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OpenAI API

Update / v1/audio

Added gpt-4o-mini-tts, gpt-4o-transcribe, gpt-4o-mini-transcribe, and whisper-1 models to the Audio API.

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OpenAI API

Feature / o1-pro / v1/responses / v1/batch

Released o1-pro, a version of the o1 reasoning model that uses more compute to answer hard problems with better reasoning and consistency.

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Gemini

March 12, 2025

Model updates: Launched an experimental Gemini 2.0 Flash model capable of image generation and editing. Released gemma-3-27b-it, available on AI Studio and through the Gemini API, as part of the Gemma 3 launch. API updates: Added support for YouTube URLs as a media source. Added support for including an inline video of less than 20MB.

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OpenAI API

Feature / gpt-4o-search-preview / gpt-4o-mini-search-preview / computer-use-preview / v1/chat/completions / v1/assistants / v1/responses

Released several new models and tools and a new API for agentic workflows: Released the Responses API, a new API for creating and using agents and tools. Released a set of built-in tools for the Responses API: web search, file search, and computer use. Released the Agents SDK, an orchestration framework for designing, building, and deploying agents. Announced new models: gpt-4o-search-preview, gpt-4o-mini-search-preview, computer-use-preview. Announced plans to bring all Assistants API features to the easier to use Responses API, with an anticipated sunset date for Assistants in 2026 (after achieving full feature parity).

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Gemini

March 7, 2025

Model updates: Released gemini-embedding-exp-03-07, an experimental Gemini-based embeddings model in public preview.

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Gemini

February 28, 2025

API updates: Support for Search as a tool added to gemini-2.0-pro-exp-02-05, an experimental model based on Gemini 2.0 Pro.

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