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Anthropic models: API pricing and providers

12 Anthropic models with Anthropic's published list rates and the providers that serve each one. You call them through INFRO on a provider account you connect; that account bills you, and INFRO adds 0% to model spend.

Rates checked 2026-10-05.

Anthropic models

ModelModalityList rateProviders
Claude Fable 5
anthropic/claude-fable-5
Frontier reasoning & agents
Text$10 per 1M input tokens and $50 per 1M output tokens, with cached input at $1.00 per 1M tokens4
Claude Fable 5.1
anthropic/claude-fable-5.1
Frontier reasoning & agents
Text$10 per 1M input tokens and $50 per 1M output tokens, with cached input at $0.25 per 1M tokens3
Claude Opus 5.5
anthropic/claude-opus-5.5
Coding & complex work
Text$4.00 per 1M input tokens and $20 per 1M output tokens, with cached input at $0.20 per 1M tokens4
Claude Opus 5
anthropic/claude-opus-5
Coding & complex work
Text$5.00 per 1M input tokens and $25 per 1M output tokens, with cached input at $0.50 per 1M tokens4
Claude Sonnet 5.5
anthropic/claude-sonnet-5.5
Production workhorse
Text$2.00 per 1M input tokens and $10 per 1M output tokens, with cached input at $0.20 per 1M tokens4
Claude Sonnet 5
anthropic/claude-sonnet-5
Production workhorse
Text$2.00 per 1M input tokens and $10 per 1M output tokens, with cached input at $0.20 per 1M tokens4
Claude Haiku 4.5
anthropic/claude-haiku-4.5
Fast, low-cost chat
Text$1.00 per 1M input tokens and $5.00 per 1M output tokens, with cached input at $0.10 per 1M tokens4
Claude Opus 4.8
anthropic/claude-opus-4.8
Previous-generation Opus (legacy, active)
Text$5.00 per 1M input tokens and $25 per 1M output tokens, with cached input at $0.50 per 1M tokens2
Claude Opus 4.7
anthropic/claude-opus-4.7
Previous-generation Opus (legacy, active)
Text$5.00 per 1M input tokens and $25 per 1M output tokens, with cached input at $0.50 per 1M tokens2
Claude Opus 4.6
anthropic/claude-opus-4.6
Previous-generation Opus (legacy, active)
Text$5.00 per 1M input tokens and $25 per 1M output tokens, with cached input at $0.50 per 1M tokens2
Claude Opus 4.5
anthropic/claude-opus-4.5
Previous-generation Opus (legacy, active)
Text$5.00 per 1M input tokens and $25 per 1M output tokens, with cached input at $0.50 per 1M tokens2
Claude Sonnet 4.6
anthropic/claude-sonnet-4.6
Previous-generation Sonnet (legacy, active)
Text$3.00 per 1M input tokens and $15 per 1M output tokens, with cached input at $0.30 per 1M tokens2

Anthropic models: questions

Which Anthropic models does this reference list?
12 Anthropic models: 12 text. Each has its own page with Anthropic's list rate and the providers that serve it.
Which providers serve Anthropic models?
Anthropic, Google Vertex AI, OpenRouter and KIE. You connect your own account with any of them; INFRO routes between the ones you connect.
What is the lowest Anthropic input rate listed?
Claude Haiku 4.5, at $1.00 per 1M input tokens and $5.00 per 1M output tokens, with cached input at $0.10 per 1M tokens on Anthropic's list (checked 2026-10-05).
Does INFRO add a markup to Anthropic model usage?
No. Your Anthropic or provider account bills usage directly; INFRO charges a software subscription and takes 0% of model spend.

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