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DeepSeek-V3.1
deepseek·deepseek/deepseek-v3.1·Deprecated·Open weights·deepseek series
Hybrid-reasoning DeepSeek model with thinking and non-thinking modes
At a glance
Reference price$0.60 / $1.70 per 1M
Cache read — · Together AI
Lowest paid$0.20 / $0.70
NanoGPT Gateway · 3× spread
Context131,072
⚠ Providers report 75,000–164,000; the table below is authoritative
Output limit131,072
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ TemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
TextPDF
Knowledge cutoff2025-03-31
Released / updated2025-08-21 / 2025-08-21
Quality & performanceArtificial Analysis · Intelligence Index v4.1 · rep. tier Non-reasoning
Intelligence21.4
Value66
Coding—
Agentic—
Output speed—
TTFT—
Value formulaIQ 21.4 ÷ min blended $0.325 = 66
Reasoning tier → intelligence / speed (higher tier = stronger but slower)
ReasoningIQ 21
Non-reasoningIQ 21.4
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 19 providers18 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT deepseek-ai/DeepSeek-V3.1 | Gateway | $0.20 | $0.70 | $0.10 | — | 128,000 ⚠ | 65,536 | |
| submodel deepseek-ai/DeepSeek-V3.1 | Gateway | $0.20 | $0.80 | — | — | 75,000 ⚠ | 163,840 | |
| Deep Infra deepseek-ai/DeepSeek-V3.1 | Cloud | $0.25 | $0.95 | $0.13 | — | 163,840 ⚠ | 8,192 | |
| OpenRouter deepseek/deepseek-chat-v3.1 | Gateway | $0.25 | $0.95 | $0.13 | — | 163,840 ⚠ | 32,768 | |
| Vercel AI Gateway | Cloud | $0.25 | $0.95 | $0.13 | — | 163,840 ⚠ | 128,000 | |
| Meganova deepseek-ai/DeepSeek-V3.1 | Gateway | $0.27 | $1.00 | — | — | 164,000 ⚠ | 164,000 | |
| Hugging Face deepseek-ai/DeepSeek-V3.1 | Cloud | $0.27 | $1.00 | — | — | 131,072 | 8,192 | |
| Jiekou.AI | Gateway | $0.27 | $1.00 | — | — | 163,840 ⚠ | 32,768 | |
| NovitaAI | Gateway | $0.27 | $1.00 | $0.135 | — | 131,072 | 32,768 | |
| Merge Gateway | Gateway | $0.50 | $1.50 | — | — | 164,000 ⚠ | 41,000 | |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1NanoGPT$63.00
2submodel$80.00
3Deep Infra$83.10
4OpenRouter$83.10
5Vercel AI Gateway$83.10
6NovitaAI$87.80
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
Toggle (on / off)budget_tokens ≥ 1,024 ≤ 32,767effort = loweffort = mediumeffort = higheffort = xhigh
8 / 19 providers expose no reasoning control (reasoning_options: []).
Related models
DeepSeek V4 Flash Latestsame series$0.14 / $0.28DeepSeek V3.2 TEEsame series$1.00 / $1.00DeepSeek V4 Flash 0423same series$0.138 / $0.275DeepSeek V4 Flashcheaper alternative$0.14 / $0.28GPT-5.6 Lunacheaper alternative$0.20 / $1.20GPT-5.4 nanocheaper alternative$0.20 / $1.25GPT-5 Nanocheaper alternative$0.05 / $0.40
Price historyone sample accumulated per data sync
Input listOutput listMin blended