Anthropic
Claude Sonnet 5 pricing and benchmarks
Anthropic’s best combination of speed and intelligence.
Input
$2.00
per 1M tokens
Cached input
$0.20
per 1M tokens
Output
$10.00
per 1M tokens
Capability index
156.2
#9 of 16 tracked
How capable is Claude Sonnet 5?
Claude Sonnet 5 scores 156.2 on the Epoch Capabilities Index (confidence interval 153.6–158.6), ranking #9 of the 16 rated models we track.
| Benchmark | Tests | Score |
|---|---|---|
| GPQA Diamond | Science reasoning | 87.4% |
| FrontierMath (Tiers 1–3) | Advanced math | 65.6% |
| SimpleQA Verified | Factual accuracy | 33.7% |
| ARC-AGI-2 | Abstract reasoning | — |
| DeepSWE | Coding | 53.8% |
| APEX-Agents | Agentic work | 32.5% |
Source: Epoch AI (as “Claude Sonnet 5”), best recorded result, CC BY 4.0. A dash means no published score. Compare all models
What Claude Sonnet 5 costs in practice
| Workload | Monthly cost |
|---|---|
Support chatbot 100,000 replies a month, ~1,500 input tokens (system prompt + history) and ~400 output tokens each. | $700.00 |
Document Q&A (RAG) 50,000 questions a month with ~8,000 tokens of retrieved context and ~600 output tokens each. | $1,100 |
Coding agent 10,000 agent steps a month, ~40,000 input tokens each (70% read from the prompt cache) and ~2,000 output tokens. | $496.00 |
Pricing details
- The $2 / $10 launch price is now the standard price; the planned rise to $3 / $15 will not happen.
- Cache writes cost $2.50 (5-minute cache) or $4 (1-hour cache) per 1M tokens.
- Uses Anthropic’s newer tokenizer, which produces roughly 30% more tokens for the same text.
Estimate your Claude Sonnet 5 bill
- Claude Sonnet 5Anthropic$1,100/mo$0.02 / request
Standard-tier list prices. Long-context rates apply automatically where the provider publishes a threshold. Excludes cache-write surcharges, taxes, batch and volume discounts.