Claude Sonnet 5.5
$2.00 per 1M input tokens and $10.00 per 1M output tokens · 1M context · vision, tools, reasoning, JSON.
Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026
Cheaper ways to run the same model: Claude Sonnet 5.5 (batch) at $1.00 / $5.00 — same model, different service (e.g. batch processing with a delay).
What Claude Sonnet 5.5 costs per month
Estimated monthly bill for typical workloads, using the cached-input price for repeated context. Try your own numbers in the cost calculator.
| Workload | Per month |
|---|---|
| Customer chatbot 1,000 conversations a day, 8 turns each | $1,150 |
| Document Q&A (RAG) 500 questions a day over retrieved documents | $238 |
| Coding / tool-using agent 200 tasks a day, long tool-heavy contexts | $447 |
| Content generation 30 long articles a day | $27.90 |
| Classification / extraction 100,000 short items a day | $2,250 |
Price history
We started tracking Claude Sonnet 5.5 on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.
Where to run Claude Sonnet 5.5: 8 providers
Amazon Bedrock is the cheapest at $2.00 input / $10.00 output per 1M tokens. Uptime is the average over the last 30 days as reported by OpenRouter; see provider reliability.
| Provider | Input / 1M | Output / 1M | Context | Uptime | Notes |
|---|---|---|---|---|---|
| Amazon Bedrock | $2.00 | $10.00 | 1M | 100% | — |
| Anthropic | $2.00 | $10.00 | 1M | 100% | — |
| Azure | $2.00 | $10.00 | 1M | 100% | — |
| Claude Platform on AWS | $2.00 | $10.00 | 1M | 100% | — |
| $2.00 | $10.00 | 1M | 100% | — | |
| Azure | $2.20 | $11.00 | 1M | 100% | — |
| $2.20 | $11.00 | 1M | 100% | — | |
| $2.20 | $11.00 | 1M | 100% | — |
Cheaper alternatives to Claude Sonnet 5.5
Models with the same tool calling, image input, structured output for at least 20% less (3:1 input/output mix), most capable first.
| Model | Input / 1M | Output / 1M | Context | Capabilities |
|---|---|---|---|---|
| Muse Spark 1.3 Meta | $1.25 | $4.25 | 1.05M | visiontoolsreasoningJSON |
| Grok 4.7 xAI | $2.00 | $6.00 | 500K | visiontoolsreasoningJSON |
| MiMo-V2.6-Pro Xiaomi | $0.435 | $0.87 | 1.05M | visionaudiotoolsreasoningJSONopen weights |
| $2.00 | $6.00 | 1M | visiontoolsreasoningJSON | |
| Grok 4.6 xAI | $2.00 | $6.00 | 500K | visiontoolsreasoningJSON |
How to pay less for Claude Sonnet 5.5
For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $1,560 a month at list price without caching:
| Option | Per month | You save |
|---|---|---|
| Move to Muse Spark 1.3 (similar capabilities) | $569 | $991 (64%) |
| Switch to Claude Sonnet 5.5 (batch) | $780 | $780 (50%) |
| Use prompt caching (60% of input cached) | $1,150 | $410 (26%) |
Other workloads: cut-your-bill tool for Claude Sonnet 5.5.
Specifications
| Model ID | anthropic/claude-sonnet-5.5 |
| Input | text, image, file |
| Output | text |
| Tool calling | Yes |
| Structured output | Yes |
| Reasoning mode | Yes |
| Open weights | No |
| Released | Sep 28, 2026 |
| Web search | $0.01 per request |
FAQ
- How much does Claude Sonnet 5.5 cost?
- $2.00 per million input tokens and $10.00 per million output tokens; cached input costs $0.10 per million. Prices as of Oct 21, 2026.
- What is the context window of Claude Sonnet 5.5?
- 1M tokens, with up to 128K output tokens per response.
- Does Claude Sonnet 5.5 support images, tools and structured output?
- Images as input: yes. Tool calling: yes. Structured (JSON) output: yes. Reasoning mode: yes.
- What are cheaper alternatives to Claude Sonnet 5.5?
- Models with the same key capabilities for at least 20% less include Muse Spark 1.3 ($1.25 / $4.25), Grok 4.7 ($2.00 / $6.00), MiMo-V2.6-Pro ($0.435 / $0.87).
More from Anthropic: all Anthropic models · how we collect prices