DeepSeek: deepseek-v3.1:free

deepseek-v3.1:free
131.1K context131.1K outToolsCacheStructured
Released Sep 22, 2025Knowledge cutoff 2025Updated Sep 22, 2025

A hybrid-inference flagship MoE model (671B total, 37B active). It bridges the gap between speed and logic by supporting both Thinking and Non-Thinking modes in a single model, featuring enhanced tool-calling and a 128k context window.

Mode chatTokenizer DeepSeek

All providers for this model are busy right now

Every upstream provider has hit its rate limit. The model comes back automatically once limits lift, usually within hours. Try again in a little while or switch to another model.

Request this model on Discord

Pricing

Input price
$0.00/ 1M tokens
Output price
$0.00/ 1M tokens
Context window 131.1K tokensCompatible endpoints openaiVendor DeepSeek

Quick stats

Quantizationfp8

Performance

Loading performance data...

Supported parameters

All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.

ParameterProvidersDefault
frequency_penaltyAll providersNot sent by default
include_reasoningAll providers-
logit_biasSome providers-
max_tokensAll providers-
min_pSome providers-
presence_penaltySome providers-
reasoningAll providers-
repetition_penaltySome providers-
response_formatSome providers-
seedSome providers-
stopSome providers-
structured_outputsAll providers-
temperatureAll providersNot sent by default
tool_choiceSome providers-
toolsSome providers-
top_kSome providers-
top_pAll providersNot sent by default

Frequently asked questions

How much does deepseek-v3.1:free cost per 1M tokens?

Input is priced at $0.00 per 1M tokens, output at $0.00 per 1M tokens. Billing is per token, no rounding to batch sizes.

How do I access deepseek-v3.1:free via API?

Send requests to the UnoRouter /v1/chat/completions endpoint with model=deepseek-v3.1:free. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.

What is the context window of deepseek-v3.1:free?

deepseek-v3.1:free supports a context window of 131.1K tokens, shared between your prompt and the model's response.

Similar models

Try deepseek-v3.1:free now

Create an API key and start making requests in under a minute.

View all models