Anthropic Claude 3.5 Sonnet pricing
Source: litellm · updated 2026-10-28
Short answer: Anthropic Claude 3.5 Sonnet costs $3.00 per million input tokens and $15.00 per million output tokens. That is a 3:1 blended rate of $6.00 per million tokens, ranking it #639 of 713 tracked models by input price.
Price breakdown
| Metric | USD |
|---|---|
| Input, per 1M tokens | $3.00 |
| Output, per 1M tokens | $15.00 |
| Output รท input multiple | 5.00× |
| 3:1 blended, per 1M tokens | $6.00 |
| Context window | 200,000 tokens |
What a typical workload costs
| Monthly volume | Input cost | Output cost | Total | 1M in / 250K out | $3.00 | $3.75 | $6.75 |
|---|---|---|---|---|---|---|---|
| 10M in / 2.5M out | $30.00 | $37.50 | $67.50 | ||||
| 100M in / 25M out | $300 | $375 | $675 |
Other gradient_ai models
| Model | Input | Output |
|---|---|---|
| Llama 3.8 B Instruct | $0.200 | $0.200 |
| Llama 3.3 70 B Instruct | $0.650 | $0.650 |
| Anthropic Claude 3.5 Haiku | $0.800 | $4.00 |
| Openai O3 Mini | $1.10 | $4.40 |
| Openai O3 | $2.00 | $8.00 |
Cheaper alternatives
Next cheaper option: Gemini 2.5 Pro Preview Tts at $1.00 per 1M input tokens. Next step up: Au Anthropic Claude Sonnet 4.6 at $3.30 per 1M input tokens.