OpenAIgpt-5.6-sol

openai/gpt-5.6-sol

reasoning
Open in Playground

OpenAI gpt-5.6-sol: a GPT-series chat and reasoning model available through the Chat Completions and Responses APIs. Text and image input.

Pricing

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

Input
$4.00
Output
$20.00
Cached input
$0.400

Specifications

Context length
—
Max output tokens
—
Input
text, image
Output
text
Endpoints
openai, openai-response
Released
Jul 9, 2026
Alias accepted
gpt-5.6-sol

Example request

curl https://api.nxioai.com/api/v1/chat/completions \
  -H "Authorization: Bearer $NXIO_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"openai/gpt-5.6-sol","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$4.00$20.00$0.400sync