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DeepSeek: DeepSeek V3.1
deepseek·deepseek/deepseek-chat-v3.1-2·GA·Closed·deepseek series
DeepSeek chat model for instruction following, coding, and analysis
At a glance
Reference price$0.27 / $1.00 per 1M
Cache read $0.135 · Kilo Gateway
Lowest paid$0.27 / $1.00
Kilo Gateway Gateway
Context163,840
Output limit32,768
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ TemperatureAttachments
Modalities
Text
Knowledge cutoff—
Released / updated2025-08-21 / 2025-08-21
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 1 providers1 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Kilo Gateway deepseek/deepseek-chat-v3.1 | Gateway | $0.27 | $1.00 | $0.135 | — | 163,840 | 32,768 |
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
1Kilo Gateway$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
effort = noneeffort = high
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 Nanocheaper alternative$0.05 / $0.40GLM-4.7-Flashcheaper alternative$0 / $0MiMo-V2.5cheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input listOutput listMin blended