Anthropic Claude Sonnet 5.5
Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade. It is especially strong at building features, fixing bugs, and producing...
Anthropic Claude Sonnet 5.5 costs $2.00 per 1M input tokens and $10.00 per 1M output tokens at the standard tier, the lowest default-region price among the 5 providers SF·SIX tracks, from Anthropic. Cached input reads cost $0.10 per 1M tokens. Updated ; prices checked .
- Developer
- Anthropic
- Input modalities
- text, image, file
- Output modalities
- text
- Context tokens
- 1,000,000
- Latest price observation
- 2026-10-17
- Lowest paired standard token quote
- $2.00 input / $10.00 output per 1M tokens
Dated price and provider records
| Provider and channel | Input | Output or native rate | Unit and status | Source and observation |
|---|---|---|---|---|
| Amazon BedrockOpenRouter | $2.00 | $10.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| AnthropicOpenRouter | $2.00 | $10.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| AzureOpenRouter · Global endpoint | $2.00 | $10.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| Claude Platform on AWSOpenRouter | $2.00 | $10.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| GoogleOpenRouter · Global endpoint | $2.00 | $10.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| AzureOpenRouter · US region | $2.20 | $11.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| GoogleOpenRouter · Europe region | $2.20 | $11.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
| GoogleOpenRouter · US region | $2.20 | $11.00 | 1M tokenspriced · USD | OpenRouter2026-10-17 |
Batch and free variants
- Claude Sonnet 5.5 (batch) · from $1.00 input / $5.00 output per 1M tokens
Prices by service tier
| Tier | Input / 1M | Output / 1M | Cache read / 1M | Cheapest provider | vs standard (blended) |
|---|---|---|---|---|---|
| Standard | $2.00 | $10.00 | $0.10 | Anthropic | 100% |
| BatchBatch endpoint | $1.00 | $5.00 | $0.05 | OpenRouter (auto-routed) | 50% |
Each tier’s cheapest endpoint. Standard is the default-region headline; flex and batch trade speed or latency for a lower price, priority and fast cost more for faster service.
Regional endpoints
| Provider and region | Input / 1M | Output / 1M |
|---|---|---|
| AzureUS region | $2.20 | $11.00 |
| GoogleEurope region | $2.20 | $11.00 |
| GoogleUS region | $2.20 | $11.00 |
Data-residency endpoints in a named region; they are never used as the headline while a default-region price exists.
Speed by provider
| Provider and terms | Throughput | Latency | Uptime | Input / 1M |
|---|---|---|---|---|
| GoogleUS region | 135 tok/s | 1.10 s | 100.0% | $2.20 |
| GoogleGlobal endpoint | 112 tok/s | 3.37 s | 100.0% | $2.00 |
| Amazon Bedrock | 106 tok/s | 2.40 s | 100.0% | $2.00 |
| Claude Platform on AWS | 101 tok/s | 1.95 s | 100.0% | $2.00 |
| GoogleEurope region | 100 tok/s | 942 ms | 100.0% | $2.20 |
| AzureGlobal endpoint | 99 tok/s | 1.05 s | 100.0% | $2.00 |
| Anthropic | 98 tok/s | 1.95 s | 100.0% | $2.00 |
Previous 30 minutes; reported by OpenRouter. Fastest first.
Usage on OpenRouter
| UTC day | Tokens |
|---|---|
| 2026-10-10 | 427,338,886,709 |
| 2026-10-11 | 530,462,835,686 |
| 2026-10-12 | 374,296,683,595 |
| 2026-10-13 | 371,470,597,135 |
| 2026-10-14 | 387,782,707,310 |
| 2026-10-15 | 316,841,824,822 |
| 2026-10-16 | 396,500,140,033 |
OpenRouter rankings (CC BY 4.0), named daily rows. Most-used AI models
Benchmarks
Artificial Analysis Intelligence Index 56.0, coding index Not reported, agentic index Not reported (Artificial Analysis via OpenRouter, CC BY 4.0; not an SF·SIX measurement).
Prediction markets
Anthropic Claude Sonnet 5.5 meets the rule for SF·SIX price and usage ladders; the current average standard input price across qualifying OpenRouter endpoints is $2.07 per 1M tokens. Open Anthropic Claude Sonnet 5.5 markets (Hedera testnet, test funds only) · How AI prediction markets work
Compare and estimate
Sources and method
Prices are USD per 1M tokens at the standard service tier in the default region: the cheapest qualifying provider per model, with flex, batch, priority and fast endpoints and unusually low outliers never used as the headline. “Blended” weights input and output 3:1. Prices from OpenRouter; each row below links its source and observation date. Methodology and editorial policy.
Frequently asked questions
How much does Anthropic Claude Sonnet 5.5 cost per 1M tokens?
$2.00 per 1M input tokens and $10.00 per 1M output tokens at the standard tier, the lowest default-region price SF·SIX tracks, from Anthropic. The cheapest batch price is $1.00 input and $5.00 output per 1M tokens.
Which providers offer Anthropic Claude Sonnet 5.5?
5 providers with 8 priced endpoints: Amazon Bedrock, Anthropic, Azure, Claude Platform on AWS, Google.
What is the context window of Anthropic Claude Sonnet 5.5?
1,000,000 tokens.
How fast is Anthropic Claude Sonnet 5.5?
The fastest measured endpoint is Google (US region) at 135 tok/s, as reported by OpenRouter for the previous 30 minutes.
How much is Anthropic Claude Sonnet 5.5 used?
396,500,140,033 tokens on 2026-10-16 (UTC) through OpenRouter, per OpenRouter’s public rankings. This is OpenRouter traffic only, not all usage.
These are dated, non-executable observations. Verify the exact endpoint, price and terms with the source before use. Unknown values are not free.