DeepSeekDeepSeek-R1

deepseek/deepseek-r1

reasoningopen-weights
Open in Playground

DeepSeek R1: open-weight reasoning model that emits chain-of-thought (billed as reasoning tokens) before answering. Strong on math and code.

Pricing

USD per 1M tokens, billed per token. Cached input applies where the provider caches prompts.

Input
$0.578
Output
$2.31
Cached input
$0.058

Specifications

Context length
128K
Max output tokens
—
Input
text
Output
text
Endpoints
openai
Released
Jan 20, 2025
Alias accepted
DeepSeek-R1

Example request

curl https://api.nxioai.com/api/v1/chat/completions \
  -H "Authorization: Bearer $NXIO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"deepseek/deepseek-r1","messages":[{"role":"user","content":"Hello"}]}'

Price history

Every price change opens a new version. Past requests are billed with the version in effect at the time.

EffectiveUntilInputOutputCached inputSource
Oct 6, 2026current$0.578$2.31$0.058sync