GPT-5.5
Last verified August 17, 2026 · OpenAI pricing ↗$5.00/1M input · $30.00/1M output · 1.1M context · OpenAI
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Alternatives to GPT-5.5
Pricing Details
OpenAIRanked #1 on Artificial Analysis Intelligence Index (April 2026). Cached input: $0.50/1M. 2x input / 1.5x output surcharge above 272K context (whole session). Available in Responses API and Chat Completions API.
Input / 1M tokens
$5
Output / 1M tokens
$30
Context Window
1.1M
Max Output
128K
Price History
No price change recorded since 2026-07-24, when this site started tracking this model; it launched on 2026-04-23.
Frequently Asked Questions
Common questions about GPT-5.5 pricing and usage
Read More About GPT-5.5
OpenAI put a price on GPT-Rosalind for the first time: $5, $0.50 and $25, which is Claude Opus 5's card to the cent and $5 under the GPT-5.5 it is built on. The meter does not start until October 5, and there is still no page saying how much context the money buys.
September 15, 2026 · 12 min read
Bedrock sells GPT-5.6 Sol at exactly OpenAI's list price and also at 1.10x it. Which one you pay comes down to a single table row, and getting approved for OpenAI's cyber program deletes that row from your card.
August 18, 2026 · 10 min read
Meituan's LongCat-2.0 costs 75 cents a million and tops the open coder benchmarks. You can't download it yet, and nobody outside Meituan has rerun the scores.
July 4, 2026 · 8 min read