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Claude Opus 4.1

ActiveAnthropicanthropic/claude-opus-4-14 platforms

Shutting down. Claude Opus 4.1 shuts down on Amazon Bedrock on Jan 8, 2027. Anthropic names Claude Opus 4.8 as the replacement.

3 mo
Next shutdown
86 daysJan 8, 2027 · Amazon Bedrock
Arena Text
1,450#42 of 128 · Arena
GPQA Diamond
77.3%#67 of 108 · Epoch AI
Context window
200KMax output 32K tokens
Released
Aug 5, 2025Anthropic

Dates on every platform

4 listings · a floor is the earliest possible date
Claude Opus 4.1 on each platform: model ID, status, dates, replacement and source
PlatformModel ID and statusDeprecatedShuts downReplacement
Claude APIAnthropic: Model deprecations (opens in a new tab) · checked Oct 14, 2026claude-opus-4-1-20250805Shut downClaude Opus 4.8
Azure AI FoundryMicrosoft: Model retirement schedule - Microsoft Foundry (opens in a new tab) · checked Oct 14, 2026claude-opus-4-1Shut down–Claude Opus 5
Amazon BedrockAmazon Web Services: Amazon Bedrock ListFoundationModels, us-east-1 (opens in a new tab) · checked Oct 14, 2026us-east-1, us-east-2, us-west-2anthropic.claude-opus-4-1-20250805-v1:0Deprecated since Jul 8, 2026 · also us.anthropic.claude-opus-4-1-20250805-v1:0–Paid extended access from Oct 8, 2026–
Google Vertex AIGoogle Cloud: Claude Opus 4.1 on Google Cloud (opens in a new tab) · checked Oct 14, 2026claude-opus-4-1@20250805Active · also claude-opus-4-1–Not sooner than–

Requests to retired deployments return 410 Gone.

New customers can't use Legacy models on Bedrock, and accounts that stop calling one for 15 days may lose access before end of life.

In us-east-1, requests go through a cross-Region inference profile (listed in aliases).

Public extended access started on 8 October 2026; the model provider may charge higher prices until end of life.

Retired on the Claude API on August 5, 2026. Google lists no shutdown date here; its earliest retirement date has passed.

What breaks when you move off Claude Opus 4.1

  • Availability

    New customers can't use Legacy models, and accounts that stop calling one for 15 days may lose access before the end-of-life date.

    Claude Opus 4.1 · Amazon Bedrock ·

  • Availability

    Requests to the model ID fail after the end-of-life date. Bedrock does not migrate applications to another model.

    Claude Opus 4.1 · Amazon Bedrock ·

  • Tooling

    You can't create new Provisioned Throughput or fine-tuning jobs for a Legacy model.

    Claude Opus 4.1 · Amazon Bedrock ·

  • Pricing

    During public extended access, the model provider may charge higher prices until end of life.

    Claude Opus 4.1 · Amazon Bedrock ·

  • Availability

    Inference requests to retired deployments return 410 Gone.

    Claude Opus 4.1 to Claude Opus 5 · Azure AI Foundry ·

Intelligence

Third-party results, credited below
Third-party benchmark scores for Claude Opus 4.1
BenchmarkPublisherScoreRankPublished
Arena TextArena1,450 ± 2#42 of 128Oct 8, 2026
GPQA DiamondEpoch AI77.3% ± 3.0%#67 of 108Aug 5, 2025
Arena WebDevArena1,390 ± 6#50 of 69Oct 8, 2026
FrontierMath Tier 4Epoch AI2.4% ± 2.4%#53 of 58Jun 11, 2026
FrontierMath Tiers 1-3Epoch AI12.6% ± 2.0%#65 of 71Jun 11, 2026
OTIS Mock AIME 2024-2025Epoch AI68.9% ± 7.0%#71 of 105Aug 5, 2025
SWE-bench VerifiedEpoch AI73.3% ± 2.0%#17 of 28Feb 11, 2026

Arena (arena.ai), https://arena.ai/leaderboard

Epoch AI, ‘Capabilities & benchmarking’. Published online at epoch.ai. Retrieved from ‘https://epoch.ai/benchmarks’ [online resource].

List prices

$ per 1M tokens, with each price’s source
List prices per 1M tokens, in US dollars
PlatformInputCachedOutputIn effectSource
Amazon Bedrockanthropic.claude-opus-4-1-20250805-v1:0$15.00$1.50$75.00Jul 1, 2026Current · Standard tier, geographic cross-Region inference.Amazon Web Services: AWS Price List API: AmazonBedrockFoundationModels, us-east-1 (opens in a new tab)

Change history

ShutdownClaude Opus 4.1 reaches end of life on Amazon BedrockAmazon Bedrock4 breaks

Bedrock moved Claude Opus 4.1 to Legacy on 8 July 2026. Public extended access began on 8 October 2026, and requests fail after 8 January 2027.

Platform
Amazon Bedrock
Announced
  • AvailabilityNew customers can't use Legacy models, and accounts that stop calling one for 15 days may lose access before the end-of-life date.
  • AvailabilityRequests to the model ID fail after the end-of-life date. Bedrock does not migrate applications to another model.
  • ToolingYou can't create new Provisioned Throughput or fine-tuning jobs for a Legacy model.
  • PricingDuring public extended access, the model provider may charge higher prices until end of life.

Source: Amazon Web Services, Amazon Bedrock ListFoundationModels, us-east-1 (opens in a new tab); Amazon Web Services, Amazon Bedrock User Guide: Model lifecycle (Legacy) (opens in a new tab)

ShutdownClaude Opus 4.1 shut down on the Claude APIClaude API

Requests to claude-opus-4-1-20250805 fail from the retirement date. Anthropic named Claude Opus 4.8 as the replacement. The model stays on Amazon Bedrock and Google Cloud on their own schedules.

Platform
Claude API
Replacement
Claude Opus 4.8
Announced

Source: Anthropic, Model deprecations (opens in a new tab); Anthropic, Pricing (opens in a new tab)

ShutdownClaude Opus 4.1 retired on Azure AI FoundryAzure AI Foundry1 break

Microsoft retired claude-opus-4-1 and lists claude-opus-5 as the replacement.

Platform
Azure AI Foundry
Replacement
Claude Opus 5
  • AvailabilityInference requests to retired deployments return 410 Gone.

Source: Microsoft, Model retirement schedule - Microsoft Foundry (opens in a new tab); Microsoft, Microsoft Foundry Models lifecycle and support policy (opens in a new tab)

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