AI Index

Anthropic

20 on sale · 39 tracked

Retiring

On sale now

Language 20

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ModelStatusContextMax outputInput / 1MOutput / 1M
Claude Fable 5.2AvailableAvailable1M128K$8.00Also priced under 1 other condition: see the model's price table$40.00Also priced under 1 other condition: see the model's price table
Claude Mythos 5.2AvailableAvailable1M128K$8.00Also priced under 1 other condition: see the model's price table$40.00Also priced under 1 other condition: see the model's price table
Claude Haiku 5.5AvailableAvailable1M128K$0.10Also priced under 2 other conditions: see the model's price table$0.50Also priced under 2 other conditions: see the model's price table
Claude Sonnet 5.5AvailableAvailable · Partly verified1M128K$2.00Also priced under 1 other condition: see the model's price table$10.00Also priced under 1 other condition: see the model's price table
Claude Opus 5.5AvailableAvailable1M128K$4.00Also priced under 1 other condition: see the model's price table$20.00Also priced under 1 other condition: see the model's price table
Claude Fable 5.1AvailableAvailable1M128K$10.00Also priced under 1 other condition: see the model's price table$50.00Also priced under 1 other condition: see the model's price table
Claude Mythos 5.1AvailableAvailable1M128K$10.00Also priced under 1 other condition: see the model's price table$50.00Also priced under 1 other condition: see the model's price table
Claude Opus 5AvailableAvailable · Partly verified1M128K$5.00Also priced under 1 other condition: see the model's price table$25.00Also priced under 1 other condition: see the model's price table
Claude Sonnet 5AvailableAvailable · Partly verified1M128K$2.00Also priced under 1 other condition: see the model's price table$10.00Also priced under 1 other condition: see the model's price table
Claude Fable 5AvailableAvailable · Partly verified1M128K$10.00Also priced under 1 other condition: see the model's price table$50.00Also priced under 1 other condition: see the model's price table
Claude Mythos 5AvailableAvailable1M128K$10.00Also priced under 1 other condition: see the model's price table$50.00Also priced under 1 other condition: see the model's price table
Claude Opus 4.8AvailableAvailable1M128K$5.00Also priced under 1 other condition: see the model's price table$25.00Also priced under 1 other condition: see the model's price table
Claude Opus 4.7AvailableAvailable1M128K$5.00Also priced under 1 other condition: see the model's price table$25.00Also priced under 1 other condition: see the model's price table
Claude Mythos PreviewDeprecatedDeprecated · Partly verified1M128K$25.00$125.00
Claude Sonnet 4.6AvailableAvailable1M128K$3.00Also priced under 1 other condition: see the model's price table$15.00Also priced under 1 other condition: see the model's price table
Claude Opus 4.6AvailableAvailable1M128K$5.00Also priced under 1 other condition: see the model's price table$25.00Also priced under 1 other condition: see the model's price table
Claude Opus 4.5AvailableAvailable · Partly verified200K64K$5.00Also priced under 1 other condition: see the model's price table$25.00Also priced under 1 other condition: see the model's price table
Claude Haiku 4.5AvailableAvailable200K64K$1.00Also priced under 1 other condition: see the model's price table$5.00Also priced under 1 other condition: see the model's price table
Claude Sonnet 4.5AvailableAvailable200K64K$3.00Also priced under 1 other condition: see the model's price table$15.00Also priced under 1 other condition: see the model's price table

Official policies

The maker’s own pages on how its API uses and keeps your data, its privacy and usage policies, terms and SLA. Linked as published; we don’t summarise them.

Every model, by year

grey: retired
2026
Claude Fable 5.2Nov 9Claude Mythos 5.2Nov 9Claude Haiku 5.5Oct 7Claude Sonnet 5.5Sep 28Claude Opus 5.5Sep 22Claude Fable 5.1Sep 1Claude Mythos 5.1Sep 1Claude Opus 5Jul 24Claude Sonnet 5Jun 30Claude Fable 5Jun 9Claude Mythos 5Jun 9Claude Opus 4.8May 28Claude Opus 4.7Apr 16Claude Mythos PreviewApr 7Claude Sonnet 4.6Feb 17Claude Opus 4.6Feb 5
2025
Claude Opus 4.5Nov 24Claude Haiku 4.5Oct 15Claude Sonnet 4.5Sep 29Claude Opus 4.1Aug 5Claude Opus 4May 22Claude Sonnet 4May 22Claude Sonnet 3.7 (2025-02-19)Feb 24
2024
Claude Haiku 3.5Nov 4Claude Sonnet 3.5 (2024-10-22)Oct 22Claude Sonnet 3.5 (2024-06-20)Jun 21Claude Sonnet 3 (2024-02-29)Mar 19Claude Haiku 3 (2024-03-07)Mar 13Claude Opus 3 (2024-02-29)Feb 29
2023
Claude 2.1Nov 21Claude Instant 1.2Aug 9Claude 2Jul 11Claude 1.0Mar 14Claude Instant 1.0Mar 14
Date not stated
Claude 1.1Claude 1.2Claude 1.3Claude Instant 1.1

Anthropic news

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