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Anthropic: models, tools and prices

NameTypeListed priceChecked
Claude DuetAnthropicAgent, Personal agentsNov 9, 2026
Claude Fable 5AnthropicModel, Flagship$10 / $50Nov 9, 2026
Claude Fable 5.1AnthropicModel, Flagship$10 / $50Nov 9, 2026
Claude Fable 5.2AnthropicModel, Flagship$8 / $40Nov 9, 2026
Claude Haiku 4.5AnthropicModel, Previous generation$1 / $5Nov 9, 2026
Claude Haiku 5.5AnthropicModel, Small and fast$0.10 / $0.50Nov 9, 2026
Claude Mythos 5AnthropicModel, Flagship$10 / $50Nov 9, 2026
Claude Mythos 5.1AnthropicModel, Flagship$10 / $50Nov 9, 2026
Claude Mythos 5.2AnthropicModel, Flagship$8 / $40Nov 9, 2026
Claude Opus 4AnthropicModel, Previous generation$15 / $75Nov 9, 2026
Claude Opus 4.1AnthropicModel, Previous generation$15 / $75Nov 9, 2026
Claude Opus 4.5AnthropicModel, Previous generation$5 / $25Nov 9, 2026
Claude Opus 4.6AnthropicModel, Previous generation$5 / $25Nov 9, 2026
Claude Opus 4.7AnthropicModel, Previous generation$5 / $25Nov 9, 2026
Claude Opus 4.8AnthropicModel, Previous generation$5 / $25Nov 9, 2026
Claude Opus 5AnthropicModel, Previous generation$5 / $25Nov 9, 2026
Claude Opus 5.5AnthropicModel, Flagship$4 / $20Nov 9, 2026
Claude Sonnet 4AnthropicModel, Previous generation$3 / $15Nov 9, 2026
Claude Sonnet 4.5AnthropicModel, Previous generation$3 / $15Nov 9, 2026
Claude Sonnet 4.6AnthropicModel, Previous generation$3 / $15Nov 9, 2026
Claude Sonnet 5AnthropicModel, Previous generation$2 / $10Nov 9, 2026
Claude Sonnet 5.5AnthropicModel, Workhorse$2 / $10Nov 9, 2026
ClaudeAnthropicTool, Assistant$20 / moNov 9, 2026
Claude CodeAnthropicTool, Coding$20 / moNov 9, 2026

Latest changes

Oct 7, 2026 Claude Haiku 5.5 releasedLaunchClaude Haiku 5.5docs.anthropic.comOct 7, 2026 Claude Sonnet 5.5 cache reads cut 50 percent to $0.10 per 1MPrice cutClaude Sonnet 5.5anthropic.comSep 28, 2026 Claude Sonnet 5.5 releasedLaunchClaude Sonnet 5.5docs.anthropic.comSep 22, 2026 Claude Opus 5.5 releasedLaunchClaude Opus 5.5docs.anthropic.comSep 1, 2026 Claude Fable 5.1 releasedLaunchClaude Fable 5.1platform.claude.comAug 5, 2026 Claude Opus 4.1 (claude-opus-4-1-20250805) retired; Anthropic names Claude Opus 4.8 as the replacementDeprecationClaude Opus 4.1platform.claude.comJun 15, 2026 Claude Opus 4 (claude-opus-4-20250514) retired; Anthropic names Claude Opus 4.8 as the replacementDeprecationClaude Opus 4platform.claude.comJun 15, 2026 Claude Sonnet 4 (claude-sonnet-4-20250514) retired; Anthropic names Claude Sonnet 5.5 as the replacementDeprecationClaude Sonnet 4platform.claude.com

Announced, not in effect yet

From Nov 30, 2026 Announced: Claude Sonnet 4.5 (claude-sonnet-4-5-20250929) retires; Anthropic names Claude Sonnet 5.5 as the replacementAnnouncedClaude Sonnet 4.5Listed on platform.claude.com, read Nov 9, 2026

Get an email when Anthropic changes a price, plan or shutdown date

Official links

Questions

What does Anthropic make

We track 24 from Anthropic: Claude Duet, Claude Fable 5, Claude Fable 5.1, Claude Fable 5.2, Claude Haiku 4.5, Claude Haiku 5.5, Claude Mythos 5, Claude Mythos 5.1, Claude Mythos 5.2, Claude Opus 4, Claude Opus 4.1, Claude Opus 4.5, Claude Opus 4.6, Claude Opus 4.7, Claude Opus 4.8, Claude Opus 5, Claude Opus 5.5, Claude Sonnet 4, Claude Sonnet 4.5, Claude Sonnet 4.6, Claude Sonnet 5, Claude Sonnet 5.5, Claude, Claude Code.

What is the cheapest Anthropic model by listed price

Claude Haiku 5.5, at $0.10 / $0.50 per 1M tokens in / out.

What Anthropic changes are coming up

Nov 30, 2026: Claude Sonnet 4.5 (claude-sonnet-4-5-20250929) retires; Anthropic names Claude Sonnet 5.5 as the replacement.

Where does Anthropic post its changelog

Claude Platform release notes - Claude Platform Docs, at https://platform.claude.com/docs/en/release-notes/overview.