Model Services/OpenAI/GPT-5.6 Sol

GPT-5.6 Sol

Name: GPT-5.6 Sol
Brand: OpenAI

Active

OpenAI flagship GPT-5.6 tier for complex reasoning, coding, professional work, and long-running agents.

Modality:LLM

Release:Jul 9, 2026

Docs Pricing Status page Compare Pricing

Pricing

Platform

Scope

Input

Output

Details

Official

Standard

$5.00

$30.00

-

Latest changes

OpenAI launched GPT-5.6 Sol, Terra, and Luna

Jul 11, 2026• Critical Update

OpenAI released three GPT-5.6 API tiers: Sol at $5/$30, Terra at $2.50/$15, and Luna at $1/$6 per 1M input/output tokens. All three expose large context windows and cached-input pricing at 10% of uncached input.

Benchmarks

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