Claude Sonnet 5 API Pricing — $3.00/M input, $15.00/M output
High-performance Claude model balancing frontier intelligence, speed, and cost.
Full specs, context window and API limits →How much does Claude Sonnet 5 cost per million tokens?
Claude Sonnet 5, from Anthropic, charges $3.00 per million input tokens and $15.00 per million output tokens — $6.00 per million blended at a 3:1 input:output ratio. That makes it pricier than Claude Sonnet 4.6 on a blended-token basis.
Verified 2026-08-09 — source
Speed
Not yet measured — see the speed benchmark leaderboard for models we do track.
Cost at scale
| Tokens / month | Est. cost (blended 3:1) |
|---|---|
| 100,000 | $0.60 |
| 1,000,000 | $6.00 |
| 10,000,000 | $60.00 |
| 100,000,000 | $600.00 |
How Claude Sonnet 5 compares
Claude Haiku 4.5 — $2.00/MClaude Sonnet 4.6 — $6.00/MClaude Sonnet 4.5 — $6.00/MClaude Sonnet 4 — $6.00/MClaude Opus 4.8 — $10.00/MClaude Sonnet 4.6 — $6.00/MClaude Sonnet 4.5 — $6.00/MClaude Sonnet 4 — $6.00/M
Best for
Looking for a cheaper option?
GPT-5.6 Luna is 92.5% cheaper — a config migration. See all 8 alternatives to Claude Sonnet 5 →
Head-to-head comparisons
Claude Sonnet 5 vs Grok 4.3Claude Sonnet 5 vs Gemini 3.1 ProClaude Sonnet 5 vs Claude Opus 5Claude Sonnet 5 vs Claude Fable 5
FAQ
Is Claude Sonnet 5 cheaper than Claude Sonnet 4.6?
Claude Sonnet 5 costs $6.00/M blended tokens, Claude Sonnet 4.6 costs $6.00/M — Claude Sonnet 4.6 is cheaper.
How much does 1 million tokens cost with Claude Sonnet 5?
At a 3:1 input:output ratio, 1 million blended tokens costs approximately $6.00. Pure input costs $3.00/M; pure output costs $15.00/M.
What does Claude Sonnet 5 cost at high volume?
At 100 million blended tokens a month, Claude Sonnet 5 costs approximately $600.00. See the cost-at-scale table below for other volumes.