GPT-5.5 Instant (June 2026)
GPT-5.5 Instant (June 2026) — OpenAI multimodal model with an Intelligence Index of 31, a 922K-token context window and a blended price of $1.55/1M tokens.
Key specifications
| Intelligence Index | 31 |
|---|---|
| Coding Index | 39.4 |
| Agentic Index | 11 |
| Arena Elo | — |
| Context window (K tokens) | 922 |
| Blended price ($/1M tokens) | 1.6 |
| Output speed (tokens/s) | — |
About GPT-5.5 Instant (June 2026)
The GPT-5.5 Instant (June 2026) is a multimodal model from OpenAI with an Intelligence Index of 31.0, a Coding Index of 39.4 and a 922K-token context window. It runs at a blended price of $1.55 per million tokens. It is proprietary api. Leaderboard indices are a strong signal but only part of real-world quality, which also depends on tool use, latency and task fit.
The comparisons below show how GPT-5.5 Instant (June 2026) stacks up against the alternatives people most often weigh against it, with the specific numbers laid out side by side.
Frequently asked questions
Is the GPT-5.5 Instant (June 2026) any good?
GPT-5.5 Instant (June 2026) — OpenAI multimodal model with an Intelligence Index of 31, a 922K-token context window and a blended price of $1.55/1M tokens.
What are the key specs of the GPT-5.5 Instant (June 2026)?
See the specification table above for the full breakdown.