Claude 4.5 Sonnet (Non-reasoning) API Pricing
Anthropic · released 2025-09-29
Pricing
0.300¢ / 1K
1.50¢ / 1K
0.600¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.6¢ |
| RAG query | 4,000 in / 500 out | $0.0195 |
| Long document summary | 50,000 in / 1,000 out | $0.1650 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.1200 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $180.00 |
Cost = (input tokens ÷ 1,000,000 × $3.00) + (output tokens ÷ 1,000,000 × $15.00).
Benchmarks
#133 of 533
#150 of 249
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| MiMo-V2-Flash (Reasoning) | 20.8 | $0.15 |
| Step 3.5 Flash 2603 | 17.0 | $0.15 |
| Step 3.5 Flash | 16.6 | $0.15 |
| Gemma 4 26B A4B (Reasoning) | 16.7 | $0.179 |
| Grok 4 Fast (Reasoning) | 17.9 | $0.275 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| o3 | 20.2 | $3.50 |
| K-EXAONE 2.0 0803 | 19.7 | — |
| Step 3.7 Flash | 19.5 | $0.438 |
| Claude 4.5 Sonnet (Non-reasoning) | 19.3 | $6.00 |
| Qwen3.5 35B A3B (Reasoning) | 19.3 | $0.688 |
| LongCat 2.0 | 19.1 | $0.525 |
| Gemma 4 31B (Reasoning) | 19.0 | — |
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 Sonnet 5 (Adaptive Reasoning, Max Effort) | 38.2 | $4.00 |
| Claude Opus 4.6 (Adaptive Reasoning, Max Effort) | 31.9 | $10.00 |
| Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) | 30.1 | $6.00 |
Count tokens & estimate cost for Claude 4.5 Sonnet (Non-reasoning) See Claude 4.5 Sonnet (Non-reasoning) on the leaderboard
Source: Artificial Analysis · last synced 2026-09-22
FAQ
Who develops Claude 4.5 Sonnet (Non-reasoning)?
Claude 4.5 Sonnet (Non-reasoning) is developed by Anthropic, released 2025-09-29.
How much does Claude 4.5 Sonnet (Non-reasoning) cost per million tokens?
Claude 4.5 Sonnet (Non-reasoning) costs $3.00 per 1M input tokens and $15.00 per 1M output tokens ($6.00 blended), per Artificial Analysis's official pricing data.
How does Claude 4.5 Sonnet (Non-reasoning) rank on benchmarks?
Claude 4.5 Sonnet (Non-reasoning) scores 19.3 on the Artificial Analysis Intelligence Index, ranking #133 of 533 models we track.
Is there a cheaper model with similar intelligence to Claude 4.5 Sonnet (Non-reasoning)?
Yes — MiMo-V2-Flash (Reasoning) scores similar intelligence (20.8) at $0.15/1M blended, versus $6.00/1M for Claude 4.5 Sonnet (Non-reasoning).
Where does this data come from?
Pricing and benchmark data for Claude 4.5 Sonnet (Non-reasoning) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.