R1

deepseek/deepseek-r1

DeepSeek: R1 is a text‑only model from DeepSeek, released on 2025‑01‑01, with a context length of 163 840 tokens. It supports tool usage and reasoning, charges $0.7 per million input tokens and $2.5 per million output tokens, and does not provide open weights.

  • tool use
  • structured outputs
  • reasoning

At a glance

providerdeepseek
releasedJan 1, 2025
context164K
input / M$0.70

Specifications

What the API gives you

Context window
164K tokens
Max output
16K tokens
Input price
$0.70 / 1M tokens
Output price
$2.50 / 1M tokens
Cache read
Modalities
text → text
Knowledge cutoff
Jul 31, 2024
Released
Jan 1, 2025

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.

Measured evidence

Public benchmark record

Aider Polyglot
56.9%2026-07-17
Aider Polyglot
56.9%2026-07-21

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open.

Open-weight model on Hugging Face.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.