Claude Sonnet 5 (Adaptive Reasoning, Max Effort) API Pricing
Anthropic · released 2026-06-30 · merges 6 reasoning-effort tiers
Benchmarks shown for the highest-scoring reasoning tier. Merged tiers: Claude Sonnet 5 (Adaptive Reasoning, Max Effort), Claude Sonnet 5 (Adaptive Reasoning, Xhigh Effort), Claude Sonnet 5 (Adaptive Reasoning, High Effort), Claude Sonnet 5 (Adaptive Reasoning, Medium Effort), Claude Sonnet 5 (Adaptive Reasoning, Low Effort), Claude Sonnet 5 (Non-reasoning, High Effort).
Pricing
0.200¢ / 1K
1.00¢ / 1K
0.400¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.4¢ |
| RAG query | 4,000 in / 500 out | $0.0130 |
| Long document summary | 50,000 in / 1,000 out | $0.1100 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0800 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $120.00 |
Cost = (input tokens ÷ 1,000,000 × $2.00) + (output tokens ÷ 1,000,000 × $10.00).
Benchmarks
#28 of 533
#23 of 197
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Agnes 3.0 Flash | 35.5 | $0.075 |
| Agnes 2.5 Pro Beta | 35.2 | $0.15 |
| Qwen3.8-Flash-Next | 39.8 | $0.23 |
| GPT-5.6 Luna (max) | 37.3 | $0.45 |
| DeepSeek V4.1 Flash (Reasoning, Max Effort) | 39.5 | $0.525 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| GPT-5.4 (xhigh) | 39.0 | $5.625 |
| Grok 4.5 (high) | 38.8 | $3.00 |
| GPT-5.5 (xhigh) | 38.4 | $11.25 |
| Claude Sonnet 5 (Adaptive Reasoning, Max Effort) | 38.2 | $4.00 |
| GPT-5.6 Luna (max) | 37.3 | $0.45 |
| DeepSeek V4 Pro 0813 (Reasoning, Max Effort) | 36.0 | $1.98 |
| Agnes 3.0 Flash | 35.5 | $0.075 |
More from Anthropic
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Fable 5.1 (Adaptive Reasoning, Max Effort, Default Fallback) | 53.4 | $20.00 |
| Claude Opus 5 (Adaptive Reasoning, Max Effort) | 50.8 | $10.00 |
| Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback) | 49.6 | $20.00 |
| Claude Opus 4.8 (Adaptive Reasoning, Max Effort) | 41.8 | $10.00 |
| Claude Opus 4.7 (Adaptive Reasoning, Max Effort) | 40.7 | $10.00 |
| Claude Opus 4.6 (Adaptive Reasoning, Max Effort) | 31.9 | $10.00 |
| Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) | 30.1 | $6.00 |
| Claude Opus 4.5 (Reasoning) | 29.1 | $10.00 |
Count tokens & estimate cost for Claude Sonnet 5 (Adaptive Reasoning, Max Effort) See Claude Sonnet 5 (Adaptive Reasoning, Max Effort) on the leaderboard
Source: Artificial Analysis · last synced 2026-09-22
FAQ
Who develops Claude Sonnet 5 (Adaptive Reasoning, Max Effort)?
Claude Sonnet 5 (Adaptive Reasoning, Max Effort) is developed by Anthropic, released 2026-06-30.
How much does Claude Sonnet 5 (Adaptive Reasoning, Max Effort) cost per million tokens?
Claude Sonnet 5 (Adaptive Reasoning, Max Effort) costs $2.00 per 1M input tokens and $10.00 per 1M output tokens ($4.00 blended), per Artificial Analysis's official pricing data.
How does Claude Sonnet 5 (Adaptive Reasoning, Max Effort) rank on benchmarks?
Claude Sonnet 5 (Adaptive Reasoning, Max Effort) scores 38.2 on the Artificial Analysis Intelligence Index, ranking #28 of 533 models we track.
Is there a cheaper model with similar intelligence to Claude Sonnet 5 (Adaptive Reasoning, Max Effort)?
Yes — Agnes 3.0 Flash scores similar intelligence (35.5) at $0.075/1M blended, versus $4.00/1M for Claude Sonnet 5 (Adaptive Reasoning, Max Effort).
Where does this data come from?
Pricing and benchmark data for Claude Sonnet 5 (Adaptive Reasoning, Max Effort) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.