This model was retired on 2026-08-05. The pricing below is the last-known rate, kept for migration reference.
Claude Opus 4.1Deprecated
VisionTool useReasoningPrompt cachingStructured output
Context
200K
Max output
32K
Serving providers
6
Cheapest input
$15.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: Artificial AnalysisHeadline indices
Intelligence Index
34.5
of 100
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |
|---|---|---|---|---|
| CritPt | 0% | reasoning: true | — | |
| GPQA Diamond | 81% | reasoning: true | — | |
| Humanity's Last Exam | 12% | reasoning: true | — | |
| IFBench | 55% | reasoning: true | — | |
| LiveCodeBench | 65% | reasoning: true | — | |
| Long-Context Reasoning | 73% | reasoning: true | — | |
| MMLU-Pro | 88% | reasoning: true | — | |
| MMMU-Pro | 68% | reasoning: true | — | |
| SciCode | 41% | reasoning: true | — | |
| TerminalBench Hard | 34% | reasoning: true | — | |
| τ²-bench | 71% | reasoning: true | — |
Pricing by serving provider
last-known · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | ||||||||||||||||||||||||||
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| Azure | $15.00 | $75.00 | 1 | ||||||||||||||||||||||||||
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| Anthropic | $15.00 | $75.00 | 1 | ||||||||||||||||||||||||||
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| Vertex AI | $15.00 | $75.00 | 1 | ||||||||||||||||||||||||||
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| Vercel AI Gateway | $15.00 | $75.00 | 1 | ||||||||||||||||||||||||||
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| OpenRouter | $15.00 | $75.00 | 1 | ||||||||||||||||||||||||||
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| Databricks | $15.00 | $75.00 | 1 | ||||||||||||||||||||||||||
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Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$9,000
estimated / month
Model IDs
copy the exact identifier for your platformazure_ai/claude-opus-4-1claude-opus-4-1vertex_ai/claude-opus-4-1vercel_ai_gateway/anthropic/claude-opus-4.1anthropic/claude-opus-4.1databricks/databricks-claude-opus-4-1
Frequently asked questions
Claude Opus 4.1 pricing, context and availabilityIs Claude Opus 4.1 still available?
Claude Opus 4.1 was retired on 2026-08-05. The pricing on this page is the last-known rate, kept for migration reference.
How much did Claude Opus 4.1 cost?
Claude Opus 4.1's last-known pricing, before it was retired on 2026-08-05, was $15.00 per 1M input tokens and $75.00 per 1M output tokens.
What was the context window of Claude Opus 4.1?
Claude Opus 4.1 had a 200K token context window and could return up to 32K output tokens.
What could Claude Opus 4.1 do?
Claude Opus 4.1 supported image input (vision), tool use, reasoning, prompt caching and structured output.
Other Anthropic models
compare pricing across the Anthropic lineupClaude Haiku 4.5$1.00/1M · 8 providersClaude Sonnet 4.5$3.00/1M · 8 providersClaude Sonnet 4.6$3.00/1M · 8 providersClaude Sonnet 5$2.00/1M · 7 providersClaude Opus 4.5$5.00/1M · 7 providersClaude Opus 4.6$5.00/1M · 7 providersClaude Opus 4.7$5.00/1M · 7 providersClaude Opus 4.8$5.00/1M · 7 providers
Popular comparisons
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