// models · 10 profiles
Model profiles
One page per model, written from official sources and updated when the model changes. See the release timeline for launches month by month.
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Claude Fable 5.1
Claude Fable 5.1 is Anthropic's most capable generally available model, released September 1, 2026. Price of $10 and $50 per million tokens, 1M context and access.
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Claude Haiku 5.5
Claude Haiku 5.5 is Anthropic's fastest and cheapest current model, released October 7, 2026. Price from $0.10 and $0.50 per million tokens, 1M context and access.
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Claude Opus 5.5
Claude Opus 5.5 is Anthropic's recommended default model, released September 22, 2026. Price of $4 and $20 per million tokens, fast mode, 1M context and access.
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Claude Sonnet 5.5
Claude Sonnet 5.5 is Anthropic's speed and value model, released September 28, 2026. Price of $2 and $10 per million tokens, 1M context and where to use it.
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Gemini 4 Argon
Gemini 4 Argon is Google DeepMind's flagship model, generally available since October 13, 2026. API price, 1M token context, plans and Fairwind access.
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GPT-6 Astra
GPT-6 Astra is OpenAI's most capable model, released September 3, 2026. Specs, API price of $10 and $50 per million tokens, context window and ChatGPT access.
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GPT-6 Luna
GPT-6 Luna is OpenAI's fast, low cost GPT-6 model at $0.10 and $0.50 per million tokens, released September 22, 2026. Specs, pricing and access.
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GPT-6.1 Sol
GPT-6.1 Sol is OpenAI's near Astra model at $2 and $10 per million tokens, released September 29, 2026. Specs, context window, pricing and where to use it.
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GPT-6.1 Terra
GPT-6.1 Terra is OpenAI's balanced GPT-6 model for visual reasoning, computer use and writing, at $1 and $5 per million tokens, released October 26, 2026. Specs, pricing and access.
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Grok 4.7
Grok 4.7 is SpaceXSI's most capable model for coding and knowledge work, released September 21, 2026. API price from $2 and $6 per million tokens, 500K context.