Claude Sonnet 4 pricing
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Claude Sonnet 4 from Anthropic costs $3.00 per 1M input tokens and $15.00 per 1M output tokens. Cached input is $0.300 per 1M. Context window 200,000 tokens.
API id claude-sonnet-4 · Anthropic · source · updated 2026-09-25 · general-purpose
$3.00
Input / 1M tokens
$15.00
Output / 1M tokens
$0.300
Cached input / 1M
200K
Context window
Claude Sonnet 4 specifications
- Provider
- Anthropic
- API id
claude-sonnet-4- Model type
- general-purpose
- Context window
- 200K tokens
- Max output
- 64K tokens
- Currency
- USD
- Price source
- First-party
- Last checked
- 2026-09-25
Claude Sonnet 4 across providers
The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.
| Provider | Input /1M | Cached /1M | Output /1M | 1M in + 1M out | vs vendor |
|---|---|---|---|---|---|
| $3.00 | $0.300 | $15.00 | $18.00 | — | |
OpenRouterHost | $3.00 | $0.300 | $15.00 | $18.00 | — |
What Claude Sonnet 4 costs in practice
| Workload | Input tokens | Output tokens | Estimated cost |
|---|---|---|---|
| Short chat turn | 1,000 | 500 | $0.01 |
| Document summary | 50,000 | 2,000 | $0.18 |
| 1M tokens in, 200K out | 1,000,000 | 200,000 | $6.00 |
Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.
Common questions
- How much does Claude Sonnet 4 cost per 1M tokens?
- Claude Sonnet 4 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens on the standard tier. Cached input is $0.300 per 1M.
- What is Claude Sonnet 4's context window?
- Claude Sonnet 4 accepts up to 200,000 tokens in a single request, and can return up to 64,000 output tokens.
- Is there a cheaper Claude model than Claude Sonnet 4?
- Yes. Claude Haiku 3.5 is $0.800 per 1M input tokens versus $3.00 for Claude Sonnet 4.
- Where does this Claude Sonnet 4 price come from?
- Directly from Anthropic's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.
Head-to-head comparisons
Other Claude models
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- Claude Mythos 5.1 $10.00
- Claude Fable 5 $10.00
- Claude Mythos 5 $10.00
- Claude Opus 5.5 $4.00
- Claude Opus 5 $5.00
- Claude Opus 4.8 $5.00
- Claude Opus 4.7 $5.00
- Claude Opus 4.6 $5.00
- Claude Opus 4.5 $5.00
- Claude Opus 4.1 $15.00
- Claude Opus 4 $15.00
- Claude Sonnet 5 $2.00
- Claude Sonnet 4.6 $3.00
- Claude Sonnet 4.5 $3.00
- Claude Haiku 4.5 $1.00