Author's Description
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
DeepSeek V3.1 demonstrates a balanced performance profile, excelling in reliability and offering competitive pricing, while exhibiting moderate speed. It achieves an exceptional 100% success rate across all benchmarks, indicating robust technical stability. Its pricing is competitive, ranking in the 58th percentile. Speed performance is moderate, placing it in the 33rd percentile. The model shows strong capabilities in several key areas. It achieved perfect accuracy in Ethics, making it the most accurate model at its price point and among models of similar speed. General Knowledge and Hallucinations benchmarks also show high accuracy at 99.5% and 98.0% respectively, suggesting a broad understanding and a low propensity for generating fabricated information. Instruction Following and Coding also present solid results at 70.0% and 89.0% accuracy. While its Reasoning score of 80.0% is respectable, it indicates room for improvement compared to its top-tier performance in other categories. Mathematics, at 90.9%, is strong, and Email Classification is also robust at 98.0%. The model's long-context training and hybrid reasoning approach appear to contribute to its overall strong performance, particularly in complex tasks and agentic workflows.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $0.21 |
| Completion | $0.79 |
| Input Cache Read | $0.13 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
DeepSeek
|
DeepSeek | deepseek/deepseek-chat-v3.1 | 131K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Chutes
|
Chutes | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
AtlasCloud
|
AtlasCloud | deepseek/deepseek-chat-v3.1 | 131K | $0.3 / 1M tokens | $0.95 / 1M tokens |
|
Novita
|
Novita | deepseek/deepseek-chat-v3.1 | 131K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
GMICloud
|
GMICloud | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Fireworks
|
Fireworks | deepseek/deepseek-chat-v3.1 | 163K | $0.56 / 1M tokens | $1.68 / 1M tokens |
|
Parasail
|
Parasail | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Parasail
|
Parasail | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
DeepInfra
|
DeepInfra | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
DeepInfra
|
DeepInfra | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
SambaNova
|
SambaNova | deepseek/deepseek-chat-v3.1 | 32K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
SiliconFlow
|
SiliconFlow | deepseek/deepseek-chat-v3.1 | 163K | $0.27 / 1M tokens | $1 / 1M tokens |
|
WandB
|
WandB | deepseek/deepseek-chat-v3.1 | 161K | $0.55 / 1M tokens | $1.65 / 1M tokens |
|
SambaNova
|
SambaNova | deepseek/deepseek-chat-v3.1 | 131K | $0.65 / 1M tokens | $1.5 / 1M tokens |
|
Google
|
Google | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Chutes
|
Chutes | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Novita
|
Novita | deepseek/deepseek-chat-v3.1 | 131K | $0.27 / 1M tokens | $1 / 1M tokens |
|
BytePlus
|
BytePlus | deepseek/deepseek-chat-v3.1 | 128K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Friendli
|
Friendli | deepseek/deepseek-chat-v3.1 | 131K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
SambaNova
|
SambaNova | deepseek/deepseek-chat-v3.1 | 32K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
ModelRun
|
ModelRun | deepseek/deepseek-chat-v3.1 | 163K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Together
|
Together | deepseek/deepseek-chat-v3.1 | 131K | $0.6 / 1M tokens | $1.7 / 1M tokens |
|
Mara
|
Mara | deepseek/deepseek-chat-v3.1 | 131K | $0.21 / 1M tokens | $0.79 / 1M tokens |
|
Google
|
Google | deepseek/deepseek-chat-v3.1 | 163K | $0.6 / 1M tokens | $1.7 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by deepseek
|
|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| DeepSeek: DeepSeek V4 Pro Unavailable | Apr 23, 2026 | ~1.6T | 1M |
Text input
Text output
|
— | — | $$$$$ |
| DeepSeek: DeepSeek V4 Pro | Apr 23, 2026 | ~1.6T | 1M |
Text input
Text output
|
★★ | ★★★★★ | $$$ |
| DeepSeek: DeepSeek V4 Flash Unavailable | Apr 23, 2026 | ~284B | 1M |
Text input
Text output
|
— | — | $$ |
| DeepSeek: DeepSeek V4 Flash | Apr 23, 2026 | ~284B | 1M |
Text input
Text output
|
★★ | ★★★★★ | $$$ |
| DeepSeek: DeepSeek V3.2 Speciale | Dec 01, 2025 | — | 131K |
Text input
Text output
|
★★ | ★★★★★ | $$$$ |
| DeepSeek: DeepSeek V3.2 | Dec 01, 2025 | — | 131K |
Text input
Text output
|
— | — | $$$ |
| DeepSeek: DeepSeek V3.2 Exp | Sep 29, 2025 | — | 131K |
Text input
Text output
|
★★★ | ★★★★ | $$$ |
| DeepSeek: DeepSeek V3.1 Terminus | Sep 22, 2025 | ~671B | 131K |
Text input
Text output
|
★★★★ | ★★★★★ | $$$ |
| DeepSeek: DeepSeek V3.1 Terminus (exacto) Unavailable | Sep 22, 2025 | ~671B | 131K |
Text input
Text output
|
— | — | $$$ |
| DeepSeek: DeepSeek V3.1 Base Unavailable | Aug 20, 2025 | ~671B | 163K |
Text input
Text output
|
★★ | ★ | $$ |
| DeepSeek: R1 Distill Qwen 7B Unavailable | May 30, 2025 | 7B | 131K |
Text input
Text output
|
★ | ★ | $$$ |
| DeepSeek: DeepSeek R1 0528 Qwen3 8B Unavailable | May 29, 2025 | 8B | 131K |
Text input
Text output
|
★★★ | ★★ | $$ |
| DeepSeek: R1 0528 | May 28, 2025 | ~671B | 128K |
Text input
Text output
|
★★★ | ★★★ | $$$ |
| DeepSeek: DeepSeek Prover V2 Unavailable | Apr 30, 2025 | ~671B | 131K |
Text input
Text output
|
★★★ | ★★★★ | $$$$ |
| DeepSeek: DeepSeek V3 Base Unavailable | Mar 29, 2025 | ~671B | 163K |
Text input
Text output
|
★ | ★ | $$$ |
| DeepSeek: DeepSeek V3 0324 | Mar 24, 2025 | ~685B | 163K |
Text input
Text output
|
★★★★ | ★★★★★ | $$ |
| DeepSeek: R1 Distill Llama 8B Unavailable | Feb 07, 2025 | 8B | 32K |
Text input
Text output
|
★ | ★★ | $$ |
| DeepSeek: R1 Distill Qwen 1.5B Unavailable | Jan 31, 2025 | 5B | 131K |
Text input
Text output
|
★★★ | ★ | $$$ |
| DeepSeek: R1 Distill Qwen 32B | Jan 29, 2025 | 32B | 131K |
Text input
Text output
|
★ | ★★★★ | $$$ |
| DeepSeek: R1 Distill Qwen 14B Unavailable | Jan 29, 2025 | 14B | 32K |
Text input
Text output
|
★ | ★★ | $$$ |
| DeepSeek: R1 Distill Llama 70B | Jan 23, 2025 | 70B | 131K |
Text input
Text output
|
★★★ | ★★★★★ | $$ |
| DeepSeek: R1 | Jan 20, 2025 | ~671B | 128K |
Text input
Text output
|
★★★★ | ★★★★ | $$$ |
| DeepSeek: DeepSeek V3 | Dec 26, 2024 | — | 163K |
Text input
Text output
|
★★★★ | ★★★★ | $$$ |