DeepSeek V3.1 (Reasoning) API Pricing
DeepSeek · released 2025-08-21
Pricing
0.059¢ / 1K
0.169¢ / 1K
0.086¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.0802¢ |
| RAG query | 4,000 in / 500 out | 0.321¢ |
| Long document summary | 50,000 in / 1,000 out | $0.0312 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0211 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $24.06 |
Cost = (input tokens ÷ 1,000,000 × $0.59) + (output tokens ÷ 1,000,000 × $1.69).
Benchmarks
#194 of 533
#26 of 249
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Qwen3.5 4B (Reasoning) | 13.1 | $0.06 |
| Nemotron 3.5 Lightning | 12.9 | $0.095 |
| Granite 4.2 8B | 11.1 | $0.107 |
| GPT-5 nano (high) | 13.0 | $0.138 |
| Gemma 4 12B (Reasoning) | 14.2 | $0.15 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| DeepSeek V3.1 (Non-reasoning) | 13.7 | $0.848 |
| Qwen3.5 9B (Reasoning) | 13.7 | $0.151 |
| Nova 2.0 Omni (medium) | 13.6 | $0.85 |
| DeepSeek V3.1 (Reasoning) | 13.5 | $0.865 |
| Apriel-v1.6-15B-Thinker | 13.4 | — |
| Nova 2.0 Lite (high) | 13.4 | $0.85 |
| Qwen3 VL 235B A22B (Reasoning) | 13.4 | $1.30 |
More from DeepSeek
| Model | Intelligence | Blended $/1M |
|---|---|---|
| DeepSeek V4.1 Flash (Reasoning, Max Effort) | 39.5 | $0.525 |
| DeepSeek V4 Pro 0813 (Reasoning, Max Effort) | 36.0 | $1.98 |
| DeepSeek V4 Flash Vision (Reasoning, Max Effort) | 34.8 | $0.66 |
| DeepSeek V4 Flash 0731 (Reasoning, Max Effort) | 34.3 | $0.66 |
| DeepSeek V4 Pro 0424 (Reasoning, Max Effort) | 30.4 | $0.544 |
| DeepSeek V4 Flash 0420 (Reasoning, High Effort) | 26.0 | $0.168 |
| DeepSeek V3.2 (Reasoning) | 21.5 | $0.315 |
| DeepSeek V3.2 Exp (Reasoning) | 16.6 | $0.315 |
Count tokens & estimate cost for DeepSeek V3.1 (Reasoning) See DeepSeek V3.1 (Reasoning) on the leaderboard
Source: Artificial Analysis · last synced 2026-09-22
FAQ
Who develops DeepSeek V3.1 (Reasoning)?
DeepSeek V3.1 (Reasoning) is developed by DeepSeek, released 2025-08-21.
How much does DeepSeek V3.1 (Reasoning) cost per million tokens?
DeepSeek V3.1 (Reasoning) costs $0.59 per 1M input tokens and $1.69 per 1M output tokens ($0.865 blended), per Artificial Analysis's official pricing data.
How does DeepSeek V3.1 (Reasoning) rank on benchmarks?
DeepSeek V3.1 (Reasoning) scores 13.5 on the Artificial Analysis Intelligence Index, ranking #194 of 533 models we track.
Is there a cheaper model with similar intelligence to DeepSeek V3.1 (Reasoning)?
Yes — Qwen3.5 4B (Reasoning) scores similar intelligence (13.1) at $0.06/1M blended, versus $0.865/1M for DeepSeek V3.1 (Reasoning).
Where does this data come from?
Pricing and benchmark data for DeepSeek V3.1 (Reasoning) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-22.