Anthropic API · verified September 25, 2026
Claude Sonnet 5 API pricing: $2 in / $10 out
Planned increase to $3 / $15 was cancelled; $2 / $10 is permanent.
Input /1M$2
Output /1M$10
Context1M
Released2026
What real jobs cost
| 1,000 short chats | $5.60 |
| Summarise 100 long reports (20k tokens each) | $5.00 |
| Write a 90,000-word book | $1.24 |
| 10M input + 2M output tokens | $40.00 |
Estimates at the listed price. Use the calculator for your own numbers.
Similar-priced models
| Model | In | Out |
|---|---|---|
| Mistral Medium 3.5 Mistral AI | $1.50 | $7.50 |
| Grok 4.7 xAI | $2 | $6 |
| Gemini 3.5 Flash Google | $1.50 | $9 |
| GPT-6 Sol OpenAI | $2 | $10 |
| GPT-5.6 Terra OpenAI | $2 | $12 |
| Gemini 3.1 Pro Google | $2 | $12 |
Price history
| Date | Price | What changed |
|---|---|---|
| Sep 1, 2026 | Planned price increase cancelled |
Other Anthropic models
- Claude Fable 5.1 $10 / $50
- Claude Opus 5.5 $4 / $20
- Claude Opus 5 $5 / $25
- Claude Opus 4.8 $5 / $25
- Claude Haiku 4.5 $1 / $5
Claude Sonnet 5 pricing questions
How much does Claude Sonnet 5 cost?
$2 per million input tokens and $10 per million output tokens, with a 1M context window. Planned increase to $3 / $15 was cancelled; $2 / $10 is permanent.
How much does 1,000 chats cost on Claude Sonnet 5?
About $5.60, assuming 800 input and 400 output tokens per chat.
Is there a cheaper alternative to Claude Sonnet 5?
Claude Haiku 4.5 ($1 / $5) costs about 50% less on a typical 3:1 input/output mix. Test whether its quality is enough for your task.
Sources
Checked against the official pages below on September 25, 2026. Prices are USD before local tax. See how we verify prices and the change log.