DeepSeek V3.1
by DeepSeekChat
DeepSeek chat model for instruction following, coding, and analysis
- Context
- 164K tokens
- Max output
- 32,768 tokens
- Released
- 2025-08-21
- Weights
- Open
deepseek/deepseek-chat-v3-1
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-08-21
- Weights
- Open
- Input
- Text
- Output
- Text
- Context window
- 163,840 max across endpoints
- Max output
- 32,768
- Providers
- 5 + 2 gateways, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $0.25–$0.65 in · $0.95–$1.70 out per 1M tokens · across all 5 providers
More details
- Last updated
- 2025-08-21
- Knowledge cutoff
- 2025-03-31
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
No change since 19 Oct 2026. The cheapest direct price has been $0.25 in / $0.95 out per 1M tokens at Deep Infra on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs DeepSeek V3.1 |
|---|---|---|---|---|---|
| MAI-Code-1.1-FlashMicrosoft | $0.367 | $0.20 | $1.20 | 256K | +0% |
| GPT-5.6 Luna ProOpenAI | $0.367 | $0.20 | $1.20 | 1.05M | +0% |
| Qwen2.5 72B InstructAlibaba (Qwen) | $0.367 | $0.36 | $0.40 | 131K | −0% cheaper |
| Llama 3.1 Nemotron 70B InstructNVIDIA | $0.366 | $0.357 | $0.408 | 128K | −0% cheaper |
| Toast 1Mixedbread | $0.37 | $0.30 | $0.72 | 131K | +1% |
| Llama 4 Maverick 17b 128e InstructMeta | $0.362 | $0.24 | $0.97 | 1.05M | −1% cheaper |
| Mercury Coder Small BetaInception | $0.375 | $0.25 | $1.00 | 32.8K | +2% |
| GPT-5.4 nanoOpenAI | $0.375 | $0.20 | $1.25 | 400K | +2% |
More from DeepSeek
Newest DeepSeek models in the catalogue. All DeepSeek models
| Model | Released | Context | Listed price |
|---|---|---|---|
| DeepSeek V4 Flash | 2026-10-17 | 1.05M | from $0.07 |
| DeepSeek V4.1 Flash 1017 | 2026-10-17 | 1M | from $0.08 |
| DeepSeek V4 Flash Vision Exp | 2026-10-17 | 1.05M | from $0.14 |
| DeepSeek V4.1 Flash | 2026-09-10 | 1.05M | from $0.09 |
| DeepSeek V4 Pro 0813 | 2026-08-12 | 1M | from $0.88 |
| DeepSeek V4 Flash Latest | 2026-07-31 | 1.05M | from $0.04 |
| DeepSeek Pro Latest | 2026-07-06 | 1M | unpriced |
| DeepSeek Latest | 2026-05-03 | 1.05M | $0.145 via NanoGPT |
Heads up: prices are indicative list rates scraped from provider pricing pages; verify with the provider before relying on them. Report incorrect data for this model