GPT-5.6 Sol
Last verified: July 2, 2026$5.00/1M input · $30.00/1M output · 1.1M context · OpenAI
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Alternatives to GPT-5.6 Sol
Pricing Details
OpenAIFlagship tier of the GPT-5.6 family, previewed June 26, 2026 to ~20 partner orgs (gated under a June 2 US frontier-model executive order). Prices identical to GPT-5.5 ($5/$30). Only tier with the max and ultra reasoning modes; ultra runs parallel subagents at the same per-token rate but spends more tokens per task. Cached input $0.50 (90% off). Terminal-Bench 2.1: 88.8% base, 91.9% ultra. Sol on Cerebras at up to 750 tok/s from July. Preview rates from third-party trackers; context window, max output, and long-context surcharge not officially published.
Input / 1M tokens
$5
Output / 1M tokens
$30
Context Window
1.1M
Max Output
128K
Price History
Launched at current price on 2026-06-26. No price changes recorded.
Frequently Asked Questions
Common questions about GPT-5.6 Sol pricing and usage