GPT-5.5 — pricing & specs
GPT-5.5 is a flagship model from OpenAI, at capability tier 7 of 8. Live $/M-token pricing and specs from the Mintok catalog, as of 2026-07-20.
$/M-token pricing
as of 2026-07-20 · OpenAIWhat GPT-5.5 costs in practice
At $30/M output tokens, GPT-5.5 is the 8th-cheapest of 8 priced tier-7 models in the Mintok catalog — about 20% above the tier median of $25/M.
| Scenario | Est. cost |
|---|---|
| 1M input + 1M output tokens | $35.00 |
| A 10K-token request (8K in / 2K out) | $0.100 |
| 1,000 agent runs (~2K in / 500 out each) | $25.00 |
| 1M-token RAG chat session (900K cached in / 100K out) | $3.45 |
Estimated from list price (as of 2026-07-20) at the token mixes shown; your real cost depends on prompt/response length and cache hit-rate. Model your own volume →
Specifications
- Vendor
- OpenAI
- Family
- GPT-
- Capability tier
- 7 / 8
- Size class
- FLAGSHIP
- Category
- GENERAL
- Context window
- 1,000,000 tokens
- Licensing
- Proprietary
Alternatives at tier 7
Same capability tier, sorted by output price — the cheaper-capable options.
- Gemini 3.1 Pro PreviewGoogle$12/M out
- Kimi K3Moonshot$15/M out
- GPT-5.6 SolOpenAI$20/M out
- Claude Opus 4.8Anthropic$25/M out
- Claude Opus 4.7Anthropic$25/M out
- Claude Opus 4.6Anthropic$25/M out
FAQ
How much does GPT-5.5 cost per token?
GPT-5.5 costs $5 per million input tokens and $30 per million output tokens (cached input $0.50/M), via OpenAI, as of 2026-07-20.
Is GPT-5.5 expensive?
At $30/M output tokens, GPT-5.5 is the 8th-cheapest of 8 priced tier-7 models in the Mintok catalog — about 20% above the tier median of $25/M.
What does a typical request with GPT-5.5 cost?
At list price, a 10K-token request (8K in / 2K out) with GPT-5.5 costs about $0.100, and 1,000 agent runs (~2K in / 500 out each) about $25.00.
What is GPT-5.5's context window?
GPT-5.5 supports a 1,000,000-token context window.
What capability tier is GPT-5.5?
GPT-5.5 sits at capability tier 7 of 8 on the Mintok scale (FLAGSHIP size class).
Is GPT-5.5 open-source or proprietary?
GPT-5.5 is a proprietary model from OpenAI, accessed via API.
Put GPT-5.5 to work
Benchmark it on your prompts, or size a deployment and compare $/M-token against alternatives.
Pricing and specs are maintained by Mintok's catalog watchers from public sources. Not investment advice. Methodology.