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R1

open source

DeepSeek model, released 20 Jan 2025.

$0.7
per 1M input tokens
$2.50
per 1M output tokens
—
per 1M cached-read tokens
Calculate what your real prompts cost on R1

Price history

Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.

Specifications

Lab
DeepSeek
Released
20 Jan 2025
Context window
64k tokens
Max output
16k tokens
Input modalities
text
Output modalities
text
Knowledge cutoff
2024-07-31
Open source
Yes

Benchmarks

BenchmarkCategoryScoreAs of
LMArena (Chatbot Arena)coding1371.8 (1360–1383.5)13 Sept 2026
LMArena (Chatbot Arena)overall1372.6 (1367.8–1377.4)13 Sept 2026

LMArena (Chatbot Arena) data © their authors, CC-BY-4.0

Frequently asked questions

How much does R1 cost?

R1 costs $0.7 per 1M input tokens and $2.50 per 1M output tokens (list price, updated every 6 hours).

What is R1's context window?

R1 supports a 64k-token context window with up to 16k output tokens.

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