AsOf

AI trends

Model releases · Anthropic in AI

Anthropic's records read together: anthropic, claude, claude-code · all companies

AI models and model versions released. Counted from the record's checked claims, one column per quarter since 2023 (the columns count every company; the list below is this one's). /trends/models.md

361
2023 Q12026 Q4*
By quarter
2026 Q4*33
2026 Q387
2026 Q269
2026 Q137
2025 Q435
2025 Q314
2025 Q213
2025 Q115
2024 Q49
2024 Q312
2024 Q29
2024 Q111
2023 Q47
2023 Q36
2023 Q24
all quarters2025 Q12025 Q22025 Q32025 Q42026 Q12026 Q22026 Q32026 Q4

1–29 of 29 AI claims of Anthropic since 2023, newest first

2026-10-13unverified
Claude · model release · Claude Haiku 5.5
Claude model release: Claude Haiku 5.5, claim clm_394D35099521 · new claim · 1 source · conf 0.50
2026-10-07valid
Anthropic · model release · Claude Haiku 5.5
Anthropic model release: Claude Haiku 5.5, claim clm_23BC8D21EA03 · valid · 2 sources (2 primary) · conf 0.70
2026-09-28valid
Anthropic · model release · Claude Sonnet 5.5
Anthropic model release: Claude Sonnet 5.5, claim clm_54697230A783 · valid · 1 source (1 primary) · conf 0.70
2026-09-22valid
Anthropic · model release · Claude Opus 5.5
Anthropic model release: Claude Opus 5.5, claim clm_05E77EFE1F05 · valid · 1 source (1 primary) · conf 0.70
2026-09-01valid
Anthropic · released · Claude Mythos 5.1
Anthropic released: Claude Mythos 5.1, claim clm_0F5B0FB5DBDF · valid · 1 source (1 primary) · conf 0.70
2026-09-01valid
Anthropic · released · Claude Fable 5.1
Anthropic released: Claude Fable 5.1, claim clm_401EEE0A2EA0 · valid · 2 sources (1 primary) · conf 0.70
2026-07-24valid
Anthropic · model release · Claude Opus 5
Anthropic model release: Claude Opus 5, claim clm_7BB9DE79D38B · valid · 2 sources (2 primary) · conf 0.70
2026-06-30valid
Anthropic · released · Claude Sonnet 5
Anthropic released: Claude Sonnet 5, claim clm_925BC285E334 · valid · 3 sources (2 primary) · conf 0.95
2026-06-09valid
Anthropic · released · Claude Mythos 5
Anthropic released: Claude Mythos 5, claim clm_3FCC25C6FB8C · valid · 1 source (1 primary) · conf 0.70
2026-06-09unverified
Anthropic · released · Fable 5
Anthropic released: Fable 5, claim clm_68E93CC081DC · new claim · 1 source · conf 0.50
2026-06-09valid
Anthropic · released · Claude Fable 5
Anthropic released: Claude Fable 5, claim clm_75AE3DDB40F4 · valid · 2 sources (2 primary) · conf 0.70
2026-05-28valid
Anthropic · model release · Claude Opus 4.8
Anthropic model release: Claude Opus 4.8, claim clm_21F51BB8C407 · valid · 2 sources (2 primary) · conf 0.70
2026-04-16valid
Claude · released · Opus 4.7
Claude released: Opus 4.7, claim clm_A93B993787C4 · valid · 2 sources (2 primary) · conf 0.70
2026-04-16valid
Claude · model release · Claude Opus 4.7
Claude model release: Claude Opus 4.7, claim clm_B918B9B6AFEB · valid · 2 sources (2 primary) · conf 0.70
2026-02-17valid
Claude · released · Claude Sonnet 4.6
Claude released: Claude Sonnet 4.6, claim clm_0293253E819B · valid · 1 source (1 primary) · conf 0.70
2026-02-05valid
Anthropic · released · Claude Opus 4.6
Anthropic released: Claude Opus 4.6, claim clm_44F4FAE6773A · valid · 1 source (1 primary) · conf 0.70
2025-11-24valid
Claude · released · Claude Opus 4.5
Claude released: Claude Opus 4.5, claim clm_6D74521EEDE1 · valid · 1 source (1 primary) · conf 0.70
2025-10-15valid
Claude · model release · Claude Haiku 4.5
Claude model release: Claude Haiku 4.5, claim clm_67E3D4760B4C · valid · 1 source (1 primary) · conf 0.70
2025-09-29valid
Claude · model release · Sonnet 4.5
Claude model release: Sonnet 4.5, claim clm_9517CB8B9A84 · valid · 1 source (1 primary) · conf 0.70
2025-09-29valid
Claude · released · Claude Sonnet 4.5
Claude released: Claude Sonnet 4.5, claim clm_F466EEFBB8E7 · valid · 1 source (1 primary) · conf 0.70
2025-08-05valid
Claude · released · Claude Opus 4.1
Claude released: Claude Opus 4.1, claim clm_277A075F5043 · valid · 2 sources (1 primary) · conf 0.70
2025-06-06valid
Claude · launched · Claude Gov
Claude launched: Claude Gov, claim clm_90FAAB835BB0 · valid · 1 source (1 primary) · conf 0.70
2025-05-22valid
Anthropic · released · Claude Opus 4
Anthropic released: Claude Opus 4, claim clm_FAD5BC475D63 · valid · 1 source (1 primary) · conf 0.70
2025-02-24valid
Claude · released · Claude 3.7 Sonnet
Claude released: Claude 3.7 Sonnet, claim clm_9AC6549D52BB · valid · 1 source (1 primary) · conf 0.70
2024-11-04valid
Claude · model release · Claude 3.5 Haiku
Claude model release: Claude 3.5 Haiku, claim clm_863D34D3975C · valid · 2 sources (1 primary) · conf 0.70
2024-10-22valid
Claude · model release · Claude 3.5 Sonnet
Claude model release: Claude 3.5 Sonnet, claim clm_7C7D58808D62 · valid · 1 source (1 primary) · conf 0.70
2024-06-21valid
Claude · released · Claude 3.5 Sonnet
Claude released: Claude 3.5 Sonnet, claim clm_B6E3D442D50F · valid · 1 source (1 primary) · conf 0.70
2024-03-13valid
Claude · released · Claude 3 Haiku
Claude released: Claude 3 Haiku, claim clm_8B3DC2C25095 · valid · 1 source (1 primary) · conf 0.70
2023-11-21valid
Claude · released · Claude 2.1
Claude released: Claude 2.1, claim clm_3D56C13ECCAC · valid · 1 source (1 primary) · conf 0.70