This model was retired on 2026-11-24. The pricing below is the last-known rate, kept for migration reference.
Claude Opus 4.5 (2025-11-01)Deprecated
VisionTool useReasoningPrompt cachingStructured output
Context
200K
Max output
64K
Serving providers
3
Cheapest input
$5.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: ARC PrizeIndividual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ARC-AGI-2 | 38% | reasoning: true · thinking_budget: 64000 | $2.40 | |||||||||||||||||||||
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Pricing by serving provider
last-known · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Anthropic | $5.00 | $25.00 | 1 | ||||||||||||||||||||||||||
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| Amazon Bedrock | $5.00 | $25.00 | 1 | ||||||||||||||||||||||||||
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| Vertex AI | $5.00 | $25.00 | 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$3,000
estimated / month
Model IDs
copy the exact identifier for your platformclaude-opus-4-5-20251101anthropic.claude-opus-4-5-20251101-v1:0vertex_ai/claude-opus-4-5@20251101
Frequently asked questions
Claude Opus 4.5 (2025-11-01) pricing, context and availabilityIs Claude Opus 4.5 (2025-11-01) still available?
Claude Opus 4.5 (2025-11-01) was retired on 2026-11-24. The pricing on this page is the last-known rate, kept for migration reference.
How much did Claude Opus 4.5 (2025-11-01) cost?
Claude Opus 4.5 (2025-11-01)'s last-known pricing, before it was retired on 2026-11-24, was $5.00 per 1M input tokens and $25.00 per 1M output tokens.
What was the context window of Claude Opus 4.5 (2025-11-01)?
Claude Opus 4.5 (2025-11-01) had a 200K token context window and could return up to 64K output tokens.
What could Claude Opus 4.5 (2025-11-01) do?
Claude Opus 4.5 (2025-11-01) 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
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