Claude models
123 announcements since January 2025 · 56 GA · 9 previews · 4 price changes · 22 deprecations · 21 need action
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November 20267
Amazon Bedrock now offers Claude Mythos 5.2 to Eligible Customers in AWS GovCloud (US)Region
AWS · Claude Mythos 5.2
Claude Fable 5.2 is now available on AWS GovCloud (US)Region
AWS · Claude Fable 5.2 · Claude Mythos 5.2
Claude Fable 5.2 is now available on AWSGA
AWS · Claude Fable 5.2 · Claude Mythos 5.2
Gemini 3.8 Flash in Canada and Japan, Claude fast mode GA, Meta Muse in PreviewGA
Google Cloud · Claude Fable 5.2
Claude Fable 5.2 and Claude Mythos 5.2 launched at $8/$40 per MTok, 1M contextGA
Anthropic · Claude Fable 5.2 · Claude Mythos 5.2
Text from Claude Mythos 5, Opus 4.7 and Sonnet 4.6 carries a text watermark
Anthropic · Claude Mythos 5 · Claude Opus 4.7 · Claude Sonnet 4.6
Haiku 5.5 now available on Kiro in AWS GovCloud (US)Region
AWS · Claude Haiku 5.5
October 202613
Fast mode for Claude Opus 4.8 deprecated, removal on November 30, 2026Deprecation
Anthropic · Claude Opus 4.8 · Due Nov 30, 2026
Amazon Bedrock now offers Canada cross-Region inference for Claude Haiku 5.5
AWS · Claude Haiku 5.5
Claude Models on Google Cloud (Anthropic managed) launched, with Opus 5.5 fast modeGA
Anthropic · Claude Opus 5.5
Claude Opus 5.5 and Sonnet 5.5 generally available in Gemini Enterprise appGA
Google Cloud · Claude Opus 5.5 · Claude Sonnet 5.5
Fast mode out of research preview for Claude Opus 5.5, no beta header neededGA
Anthropic · Claude Opus 5.5
Anthropic Claude Sonnet 5.5 and Claude Opus 5.5 are now available on Kiro in AWS GovCloud (US)Region
AWS · Claude Opus 5.5 · Claude Sonnet 5.5
Gemini 3.8 Flash generally available in Singapore, Claude Opus 5.5 and Sonnet 5.5 addedGA
Google Cloud · Claude Opus 5.5 · Claude Sonnet 5.5
Claude Haiku 5.5 is now available on AWSGA
AWS · Claude Haiku 5.5
Claude Haiku 5.5 is now available on AWS GovCloud (US)GA
AWS · Claude Haiku 5.5
Claude Haiku 5.5 available in Model GardenGA
Google Cloud · Claude Haiku 5.5
Claude Haiku 5.5 launched; Sonnet 5.5 cache read price cut to $0.10 per M tokensGA
Anthropic · Claude Sonnet 5.5 · Claude Haiku 5.5
Models API adds line field; Dreams supports Sonnet 5.5 in research preview
Anthropic · Claude Opus 5.5 · Claude Fable 5.1 · Claude Sonnet 5.5
September 202612
Amazon Bedrock expands Claude models in-region support in the UK (London)Region
AWS · Claude Opus 5.5 · Claude Sonnet 5
Admin API out of beta in SDKs and ant CLI; Claude Sonnet 4.5 deprecatedDeprecation
Anthropic · Claude Sonnet 4.5 · Due Nov 30, 2026
Amazon Bedrock expands Claude model availability to India, South Korea, and SingaporeRegion
AWS · Claude Opus 5 · Claude Sonnet 5 · Claude Haiku 4.5
Claude Sonnet 5.5 now available on AWSGA
AWS · Claude Sonnet 5.5
Claude Sonnet 5.5 now available on AWS GovCloud (US)GA
AWS · Claude Sonnet 5.5
Claude Sonnet 5.5 launched, with breaking changes from Sonnet 5Deprecation
Anthropic · Claude Sonnet 5.5 · Claude Sonnet 5
Claude Opus 5.5 is now available on AWSGA
AWS · Claude Opus 5.5
Claude Opus 5.5 is now available on AWS GovCloud (US)Region
AWS · Claude Opus 5.5
Claude Opus 5.5 launched at $4 / $20 per MTok, with inline tools in betaGA
Anthropic · Claude Opus 5.5
Claude Fable 5.1, Anthropic's new frontier model is now available on AWSGA
AWS · Claude Fable 5.1 · Claude Mythos 5.1
Claude Fable 5.1, Anthropic's new frontier model is now available on AWS GovCloud (US)GA
AWS · Claude Fable 5.1
Claude Fable 5.1 and Claude Mythos 5.1 launched, with cache reads at $0.25/MTokGA
Anthropic · Claude Fable 5.1 · Claude Mythos 5.1
August 20264
Claude Opus 5 is now available in AWS GovCloud (US)Region
AWS · Claude Opus 5
Claude Sonnet 5 keeps $2 / $10 per MTok pricing; September increase cancelledPrice
Anthropic · Claude Sonnet 5
Inference hooks in beta for Claude Enterprise; Claude Opus 4.1 retiredDeprecation
Anthropic · Claude Opus 4.1 · Was due Aug 5, 2026
Dreams (research preview) now supports Claude Opus 5
Anthropic · Claude Opus 5
July 20267
Generally Available: Claude Opus 5 on Azure DatabricksGA
Azure · Claude Opus 5
Claude Opus 5 is now available on AWSGA
AWS · Claude Opus 5
Opus 4.8, Sonnet 5, and User Activity Monitoring now available on Kiro in AWS GovCloud (US)GA
AWS · Claude Opus 4.8 · Claude Sonnet 5
Claude Opus 5 launched with 1M-token context at $5 / $25 per MTokDeprecation
Anthropic · Claude Opus 5
Claude Sonnet 5 is now available on Amazon Bedrock in AWS GovCloud (US)Region
AWS · Claude Sonnet 5 · Claude Opus 4.8
Generally available: Anthropic Claude Sonnet 5 on Azure DatabricksGA
Azure · Claude Sonnet 5
Access restored to Claude Fable 5 and Claude Mythos 5
Anthropic · Claude Fable 5 · Claude Mythos 5
June 202610
Claude Sonnet 5 is now available on AWSGA
AWS · Claude Sonnet 5
Claude Opus 4.8 is now available in AWS GovCloud (US)GA
AWS · Claude Opus 4.8
Claude Sonnet 5 launched at $2 / $10 per MTok, with a 1M-token context windowGA
Anthropic · Claude Sonnet 5
Fast mode removed for Claude Opus 4.6, requests run at standard speed and ratesDeprecation
Anthropic · Claude Opus 4.6
Fast mode for Claude Opus 4.7 deprecated, removal on July 24, 2026Deprecation
Anthropic · Claude Opus 4.7 · Was due Jul 24, 2026
Claude Sonnet 4 and Claude Opus 4 retired on the Claude APIDeprecation
Anthropic · Claude Sonnet 4 · Claude Opus 4
AWS announces Claude Fable 5, the first generally available Mythos-class modelGA
AWS · Claude Fable 5 · Claude Mythos 5
Claude Fable 5 and Claude Mythos 5 launched with 1M-token context windowGA
Anthropic · Claude Fable 5 · Claude Mythos 5
Claude Opus 4.1 deprecated, retiring August 5, 2026 on the Claude APIDeprecation
Anthropic · Claude Opus 4.1 · Was due Aug 5, 2026
May 20263
Claude Opus 4.8 is now available on AWSGA
AWS · Claude Opus 4.8
Claude Opus 4.8 released with 1M-token context, plus mid-conversation system messagesDeprecation
Anthropic · Claude Opus 4.8
Fast mode research preview now supports Claude Opus 4.7Preview
Anthropic · Claude Opus 4.7
April 20268
1M token context beta retired for Claude Sonnet 4.5 and Sonnet 4Deprecation
Anthropic · Claude Sonnet 4.5 · Claude Sonnet 4
Claude Haiku 3 retired; requests now return an errorDeprecation
Anthropic · Claude 3 Haiku
Generally available: Anthropic Claude Opus 4.7 on Azure DatabricksGA
Azure · Claude Opus 4.7
Claude Opus 4.7 is now available in Amazon BedrockGA
AWS · Claude Opus 4.7
Claude Opus 4.7 launched at $5/$25 per MTok, with task budgets in betaGA
Anthropic · Claude Opus 4.7 · Claude Haiku 4.5
Claude Sonnet 4 and Opus 4 deprecated, with retirement on June 15, 2026Deprecation
Anthropic · Claude Sonnet 4 · Claude Opus 4 · Was due Jun 15, 2026
Amazon Bedrock now offers Claude Mythos Preview (Gated Research Preview)Preview
AWS · Claude Mythos
Claude Mythos Preview in gated research preview; Messages API on Amazon BedrockPreview
Anthropic · Claude Mythos
March 20263
Message Batches max_tokens raised to 300k; 1M context beta retires April 30, 2026Deprecation
Anthropic · Claude Opus 4.6 · Claude Sonnet 4.6 · Claude Sonnet 4.5 · Claude Sonnet 4 · Was due Apr 30, 2026
Amazon Bedrock is now available in Asia Pacific (New Zealand)Region
AWS · Claude Sonnet 4.5 · Claude Sonnet 4.6 · Claude Opus 4.5 · Claude Opus 4.6
1M token context window generally available for Claude Opus 4.6 and Sonnet 4.6GA
Anthropic · Claude Opus 4.6 · Claude Sonnet 4.6 · Claude Sonnet 4.5 · Claude Sonnet 4
February 202610
Automatic caching added to Messages API; Sonnet 3.7 and Haiku 3.5 retiredDeprecation
Anthropic · Claude 3.7 Sonnet · Claude 3.5 Haiku · Claude 3 Haiku · Was due Apr 20, 2026
Generally Available: Anthropic Claude Sonnet 4.6 is now available on Azure DatabricksGA
Azure · Claude Sonnet 4.6
Claude Sonnet 4.6 now available in Amazon BedrockGA
AWS · Claude Sonnet 4.6
Claude Sonnet 4.6 launched; API code execution free with web search and fetchGA
Anthropic · Claude Sonnet 4.6
Fast mode in research preview for Claude Opus 4.6, up to 2.5x as fastPreview
Anthropic · Claude Opus 4.6
Generally Available: Claude Opus 4.6 now available on Azure DatabricksGA
Azure · Claude Opus 4.6
Public Preview: Claude Opus 4.6, Available on Microsoft FoundryPreview
Azure · Claude Opus 4.6
Claude Opus 4.6 launched, with compaction API in beta and data residency controlsGA
Anthropic · Claude Opus 4.6
Claude Opus 4.6 now available in Amazon BedrockGA
AWS · Claude Opus 4.6
January 20264
Amazon Bedrock now supports 1-hour duration for prompt cachingGA
AWS · Claude Sonnet 4.5 · Claude Haiku 4.5 · Claude Opus 4.5
Amazon Bedrock Reserved Tier available now for Claude Sonnet 4.5 in AWS GovCloud (US-West)Price
AWS · Claude Sonnet 4.5
Amazon Bedrock Reserved Tier available now for Claude Opus 4.5 and Haiku 4.5Price
AWS · Claude Opus 4.5 · Claude Haiku 4.5
Claude Opus 3 retired; requests now return an errorDeprecation
Anthropic · Claude Opus 3 · Was due Jan 5, 2026
December 20252
Claude Haiku 3.5 model deprecatedDeprecation
Anthropic · Claude 3.5 Haiku
Structured outputs now support Claude Haiku 4.5
Anthropic · Claude Haiku 4.5
November 20258
Amazon Bedrock introduces Reserved Service tierPrice
AWS · Claude Sonnet 4.5
Public Preview: Claude Opus 4.5 Available in Microsoft FoundryPreview
Azure · Claude Opus 4.5
Claude Opus 4.5 now available in Amazon BedrockGA
AWS · Claude Opus 4.5
Claude Opus 4.5 launched, with programmatic tool calling and tool search in betaGA
Anthropic · Claude Opus 4.5
Amazon Bedrock is now availableRegion
AWS · Claude Gov Sonnet 4.5
Public Preview: Claude in Microsoft FoundryPreview
Azure · Claude Sonnet 4.5 · Claude Opus 4.1 · Claude Haiku 4.5
Anthropic’s Claude Sonnet 4.5 is now in Amazon Bedrock in AWS GovCloud (US)Region
AWS · Claude Sonnet 4.5
October 20253
Claude Sonnet 3.7 deprecated, Sonnet 3.5 models retiredDeprecation
Anthropic · Claude 3.7 Sonnet · Claude 3.5 Sonnet · Was due Oct 28, 2025
Claude 4.5 Haiku by Anthropic now in Amazon BedrockGA
AWS · Claude Haiku 4.5
Claude Haiku 4.5 launched, a fast model with near-frontier performanceGA
Anthropic · Claude Haiku 4.5
September 20254
Anthropic’s Claude Sonnet 4.5 is now in Amazon BedrockGA
AWS · Claude Sonnet 4.5
Claude Sonnet 4.5 launched, with memory tool and context editing in betaGA
Anthropic · Claude Sonnet 4.5
Amazon Bedrock now supports Global Cross-Region inference for Anthropic Claude Sonnet 4GA
AWS · Claude Sonnet 4
Simplified Cache Management for Anthropic’s Claude models in Amazon Bedrock
AWS · Claude 3.5 Haiku · Claude 3.7 · Claude 4
August 20252
Higher rate limits for Claude Sonnet 4 1M context; now available on Vertex AI
Anthropic · Claude Sonnet 4
All model changelogs· Jan 21, 2025 to Nov 9, 2026