Anthropic
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Claude Fable 5
The first Fable, the line Anthropic places above Opus. The one to reach for when the work is genuinely hard, and you'll pay for it.
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Claude Fable 5.1
The newest Fable, the line Anthropic places above Opus. The same price as Fable 5.
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Claude Haiku 4.5
Fast and inexpensive. The model for volume.
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Claude Haiku 5.5
Anthropic's fastest and least expensive model, for short, high-volume work.
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Claude Opus 4.7
The prior Opus generation, kept available for brains pinned to it.
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Claude Opus 4.8
The Opus new workspaces started on before Opus 5.5, which is newer and costs a fifth less.
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Claude Opus 5
The first Opus of Anthropic's Claude 5 line. Frontier reasoning at half the price of Fable 5.
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Claude Opus 5.5
The newest Opus, at a fifth less than Opus 5 on both input and output.
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Claude Sonnet 4.6
The balanced middle. Strong reasoning without the Opus price.
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Claude Sonnet 5.5
Anthropic's fast, balanced model. Strong reasoning at well under half the price of Opus.
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OpenAI
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GPT-5.4 mini
Small, fast, and cheap on OpenAI.
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GPT-5.5
An earlier OpenAI frontier model that every OpenAI key can run. GPT-6.1 Sol is newer and costs less.
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GPT-5.6 Luna
The smallest and least expensive GPT-5.6.
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GPT-5.6 Sol
The largest GPT-5.6, also called plain GPT-5.6.
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GPT-5.6 Terra
The middle GPT-5.6, at half the input price of GPT-5.6 Sol.
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GPT-6 Astra
The largest GPT-6, at five times the price of GPT-6 Sol.
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GPT-6 Luna
The smallest and least expensive GPT-6.
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GPT-6 Sol
The middle GPT-6, at half the price of GPT-5.6 Sol.
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GPT-6.1 Sol
The newest Sol, near GPT-6 Astra on complex work at a fifth of its price.
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Text Embedding 3 Large
Higher-fidelity embeddings when retrieval quality matters.
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Text Embedding 3 Small
Inexpensive embeddings for search and retrieval.
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Bring an Anthropic or OpenAI key, or run on ours. Inference is included in the plan.
Not seeing a model? Ask support and we will look at adding it.