Scheduled for retirement on Nov 24, 2026. Still available at the prices below until then.
Context
410K
Max output
64K
Serving providers
7
Cheapest input
$5.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: Artificial Analysis
Speed & latency
Output speed
46 t/s
tokens / second
Time to first token
1.09s
latency
Headline indices
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
CritPt5%reasoning: true—
GPQA Diamond87%reasoning: true—
Humanity's Last Exam30%reasoning: true—
IFBench58%reasoning: true—
LiveCodeBench87%reasoning: true—
Long-Context Reasoning77%reasoning: true—
MMLU-ProFrozen Aug 18, 202689%reasoning: true—
MMMU-Pro74%reasoning: true—
Omniscience14reasoning: true—
Omniscience Accuracy0.5reasoning: true—
Omniscience Non Hallucination0.4reasoning: true—
SciCodeArtificial Analysis did not report this score in its latest run on Oct 14, 202650%——
TerminalBench Hard47%reasoning: true—
τ²-bench89%reasoning: true—
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
AnthropicCheapest$5.00$25.001
Standardclaude-opus-4-5
ComponentUnitStandardBatch
Text cached in/1M tok$0.50—
Text cache write/1M tok$6.25—
Text input/1M tok$5.00$2.50
Text output/1M tok$25.00$12.50
Azure$5.00$25.001
Gmi$5.00$25.001
OpenRouter$5.00$25.001
VercelVercel reseller quote$5.00$25.001
Vertex AI Anthropic Models$5.00$25.001
Databricks$5.00$25.001
OpenRouter (batch)$2.50$12.501

Price history

listed seller prices, input and output per 1M tokens
Input Output
$0.00$10.00$20.00$30.00Nov 25Jan 21Jun 22Sep 26$25.00$5.00

Cost calculator

estimate your monthly spend on this model
$3,000
estimated / month

Model IDs

copy the exact identifier for your platform
anthropic/claude-opus-4.5:batchgmi/anthropic/claude-opus-4.5azure_ai/claude-opus-4-5anthropic/claude-opus-4.5anthropic/claude-opus-4.5claude-opus-4-5vertex_ai/claude-opus-4-5databricks/databricks-claude-opus-4-5

Frequently asked questions

Claude Opus 4.5 pricing, context and availability

Is Claude Opus 4.5 still available?

Yes. Claude Opus 4.5 is scheduled for retirement on 2026-11-24.

How much does Claude Opus 4.5 cost?

Claude Opus 4.5 costs $5.00 per 1M input tokens from Anthropic, and $25.00 per 1M output tokens from Anthropic. Across 7 serving providers, input prices range from $5.00 to $5.00 per 1M tokens.

What is the context window of Claude Opus 4.5?

Claude Opus 4.5 accepts up to 410K tokens of context and can return up to 64K output tokens.

Which providers serve Claude Opus 4.5?

Claude Opus 4.5 is available from 7 serving providers, each with its own pricing and model ID. Anthropic is currently the cheapest.

What can Claude Opus 4.5 do?

Claude Opus 4.5 supports image input (vision), tool use, reasoning, prompt caching and structured output.

Other Anthropic models

compare pricing across the Anthropic lineup

Popular comparisons

head-to-head pages featuring Claude Opus 4.5
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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