AI Model Releases: New LLMs, Benchmarks, Context Windows and Pricing

Every notable AI model release and update: large language models, image, video and audio models, new versions, benchmark results, context windows, pricing and availability. Each story links to the official release notes and to the living model page, which keeps the current specs, prices and a dated timeline of changes. Open-weight releases are also listed under Open Source AI.

A hummingbird hovering over an orange flower, seen through a clear glass sphere against a blurred green and orange background. — Google DeepMind previews Genie 4, a real-time world model with native audio and dialogue

AI Models27 Oct 2026, 09:00 UTC

Google DeepMind announced Genie 4 on 27 October 2026, a world model that renders steerable scenes with sound and dialogue. Trusted testers get it first.

Summary

Google DeepMind announced Genie 4 on 27 October 2026. The world model generates interactive scenes in real time that users steer with keyboard controls and text prompts, and it is the first Genie model to generate audio natively, including dialogue. Gemini 3.8 Flash plans and checks each step in the loop. Genie 4 is a research preview for trusted testers, with Google AI Ultra subscribers and Gemini API partners next. No price was given.

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AI Models
OpenAI releases GPT-6.1 Terra at $1 per 1M input tokens, half the price of GPT-5.6 Terra
OpenAI released GPT-6.1 Terra on 26 October 2026 with a 1,050,000-token context, $1 per 1M input and $5 per 1M output tokens, in the API and ChatGPT.
AI Models
Epoch AI launches SpireClimb: frontier models win 90% of base Slay the Spire runs, 20% at max
Epoch AI's new SpireClimb benchmark, published 14 October 2026, finds frontier models win 90%+ of base Slay the Spire games and up to 20% at maximum difficulty.
AI Models
Google releases Gemini 4 Argon at $2 per 1M input tokens with a 1M-token context window
Google made Gemini 4 Argon generally available on 13 October 2026 at an introductory $2 per 1M input and $10 per 1M output tokens, rising on 1 December.

AI Model Releases: New LLMs, Benchmarks, Context Windows and Pricing

Google DeepMind previews Genie 4, a real-time world model with native audio and dialogue

OpenAI releases GPT-6.1 Terra at $1 per 1M input tokens, half the price of GPT-5.6 Terra

Epoch AI launches SpireClimb: frontier models win 90% of base Slay the Spire runs, 20% at max

Google releases Gemini 4 Argon at $2 per 1M input tokens with a 1M-token context window

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