DeepSeek V3.1
by DeepSeekChat
DeepSeek chat model for instruction following, coding, and analysis
- Context
- 164K tokens
- Max output
- 131,072 tokens
- Parameters
- 685B total, 37B active
- Released
- 2025-08-21
- Weights
- Open
- Licence
- mit
deepseek/deepseek-v3-1 · also seen as deepseek.v3-v1:0, deepseek-ai/DeepSeek-V3.1, deepseek-ai/DeepSeek-V3.1:thinking, accounts/fireworks/models/deepseek-v3p1
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-08-21
- Weights
- Opennot gated
- License
- mit
- Input
- Text
- Output
- Text
- Context window
- 164,000 max across endpoints
- Max output
- 131,072
- Providers
- 18 + 8 gateways, not counted as providers
- Epoch Capabilities Index
- 139.9 ± 3.7 against price
- Direct price range
- $0.190–$0.672 in · $0.71–$2.02 out per 1M tokens · 14 of 18 providers have a comparable price
More details
- Last updated
- 2026-01
- Knowledge cutoff
- 2025-08
- Weights link
- Hugging Face · deepseek-ai/DeepSeek-V3.1
- Parameters
- 685B total, 37B active
- Base model
- deepseek-ai/DeepSeek-V3.1-Base
- Developer country
- China
- Training compute
- 3.6×10²⁴ FLOP
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messages
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $0.19 in / $0.71 out per 1M tokens at TokenGo on every data refresh since then.
Tracked from 19 Oct 2026, the earliest refresh this model's headline price can be rebuilt from. 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 |
|---|---|---|---|---|---|
| Seed 1.6 VisionByteDance Seed | $0.286 | $0.114 | $1.14 | 256K | +1% |
| Gemma Sea Lion V4 27B ItAI Singapore | $0.28 | $0.24 | $0.48 | 131K | −1% cheaper |
| Qwen-VL MaxAlibaba (Qwen) | $0.288 | $0.23 | $0.58 | 131K | +2% |
| Seed 1.6 VisionByteDance Seed | $0.292 | $0.12 | $1.15 | 256K | +3% |
| Mercury 2.5Inception | $0.292 | $0.20 | $0.75 | 260K | +3% |
| deepseek-v3-0324DeepSeek | $0.295 | $0.20 | $0.77 | 164K | +4% |
| Doubao Seed 2.0 LiteByteDance Seed | $0.267 | $0.146 | $0.874 | 256K | −6% cheaper |
| Nemotron Nano 12B v2 VLNVIDIA | $0.267 | $0.20 | $0.60 | 131K | −6% cheaper |
More from DeepSeek
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| 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 |