deepseek-chat-v3.1
Versatile DeepSeek chat model offering strong general reasoning at low cost.
Value rank
#8 of 23
intelligence per dollar in our catalogue
Context rank
#5 tied
164K token window
Agentic strength
35%
tau2-bench tool-use success
Benchmarks
Independent scores by Artificial Analysis, compared with the strongest models in our catalogue.
Intelligence index
Coding index
Agentic (tau2-bench)
Best for
Where this model earns its keep.
The numbers
Pricing is live from our platform. Prices per 1M tokens, zero data retention on every request.
| Input price | $0.20 |
| Cache read price | $0.05 |
| Output price | $0.80 |
| Context window | 164K tokens |
| Intelligence / coding index | 21 / 28.4 |
| Agentic: tau2 / terminal-bench | 35% / 24% |
| GPQA / MMLU-Pro | 74% / 83% |
Or consider
Close alternatives in the catalogue.
deepseek-r1-0528
Intelligence 20.1 · agentic 37%
gpt-oss-120b
Intelligence 23.8 · agentic 66%
qwen3-235b-a22b-2507
Intelligence 18.2 · agentic 33%
Quick start
OpenAI-compatible. Switch in one line.
client = OpenAI(base_url="https://api.tensorx.ai/v1", api_key="tsx-...")
r = client.chat.completions.create(
model="deepseek/deepseek-chat-v3.1",
messages=[{"role": "user", "content": "Hello"}],
)
Benchmark data from the Artificial Analysis Intelligence Index v4.1, measured independently. Pricing live from the TensorX platform. All inference on EU-sovereign infrastructure with zero data retention.