Scheduled for retirement on Sep 29, 2027. Still available at the prices below until then.
Context
1M
Max output
128K
Serving providers
6
Cheapest input
$2.00 /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 AnalysisSpeed & latency
Output speed
137 t/s
tokens / second
Time to first token
435.21s
latency
Headline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |
|---|---|---|---|---|
| Aa Analyst Agent | 0.6 | default | — | |
| Automation Bench | 0.7 | default | — | |
| CritPt | 31% | default | — | |
| GDPval (normalized)Frozen Aug 18, 2026 | 67% | default | — | |
| Harvey Lab | 0.0 | default | — | |
| Humanity's Last Exam | 55% | default | — | |
| Long-Context Reasoning | 83% | default | — | |
| Omniscience | 32.3 | default | — | |
| Omniscience Accuracy | 0.5 | default | — | |
| Omniscience Non Hallucination | 0.5 | default | — | |
| SciCode | 61% | default | — | |
| Terminal Bench40 | 0.6 | default | — |
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 provider | Input /1M | Output /1M | Endpoints | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AnthropicCheapest | $2.00 | $10.00 | 1 | |||||||||||||||||||||
Standardclaude-sonnet-5-5
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| Azure | $2.00 | $10.00 | 1 | |||||||||||||||||||||
Standardazure_ai/claude-sonnet-5-5
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| Amazon Bedrock | $2.00 | $10.00 | 1 | |||||||||||||||||||||
Standardanthropic.claude-sonnet-5-5
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| OpenRouter | $2.00 | $10.00 | 1 | |||||||||||||||||||||
Standardanthropic/claude-sonnet-5.5
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| VercelVercel reseller quote | $2.00 | $10.00 | 1 | |||||||||||||||||||||
Standardanthropic/claude-sonnet-5.5
| ||||||||||||||||||||||||
| Vertex AI Anthropic Models | $2.00 | $10.00 | 1 | |||||||||||||||||||||
Standardvertex_ai/claude-sonnet-5-5
| ||||||||||||||||||||||||
| OpenRouter (batch) | $1.00 | $5.00 | 1 | |||||||||||||||||||||
Batchanthropic/claude-sonnet-5.5:batch
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Price history
listed seller prices, input and output per 1M tokens Input Output
Cost calculator
estimate your monthly spend on this model$1,200
estimated / month
Model IDs
copy the exact identifier for your platformanthropic/claude-sonnet-5.5:batchclaude-sonnet-5-5anthropic.claude-sonnet-5-5anthropic/claude-sonnet-5.5anthropic/claude-sonnet-5.5vertex_ai/claude-sonnet-5-5azure_ai/claude-sonnet-5-5
Frequently asked questions
Claude Sonnet 5.5 pricing, context and availabilityIs Claude Sonnet 5.5 still available?
Yes. Claude Sonnet 5.5 is scheduled for retirement on 2027-09-29.
How much does Claude Sonnet 5.5 cost?
Claude Sonnet 5.5 costs $2.00 per 1M input tokens from Anthropic, and $10.00 per 1M output tokens from Anthropic.
What is the context window of Claude Sonnet 5.5?
Claude Sonnet 5.5 accepts up to 1M tokens of context and can return up to 128K output tokens.
Which providers serve Claude Sonnet 5.5?
Claude Sonnet 5.5 is available from 6 serving providers, each with its own pricing and model ID. Anthropic is currently the cheapest.
What can Claude Sonnet 5.5 do?
Claude Sonnet 5.5 supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.
Other Anthropic models
compare pricing across the Anthropic lineupClaude Haiku 4.5$1.00/1M · 11 providersClaude Sonnet 5$2.00/1M · 9 providersClaude Sonnet 4.6$3.00/1M · 9 providersClaude Opus 5$5.00/1M · 9 providersClaude Fable 5$10.00/1M · 9 providersClaude Sonnet 4.5$3.00/1M · 8 providersClaude Opus 4.7$5.00/1M · 8 providersClaude Opus 4.8$5.00/1M · 8 providers
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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