GPT-5.5
Released 2026-04 · thinking · 1.0M tokens · 8 benchmarks
Editorial notes
Lanzado 23 abril 2026 (codename Spud). Reasoning model #1 en AA Intelligence Index (60). Lidera Terminal-Bench 2.0 (82.7) — supera a Opus 4.7 por +13 pts. Knowledge cutoff dic 2025. Pricing $5/$30 per MTok (2x sobre 5.4).
Spec sheet
- Company
- OpenAI
- Country
- US
- Type
- thinking
- Release
- 2026-04
- Context
- 1.0M tokens
- Slug
- gpt-5-5
Benchmarks (8)
Reasoning 2
Coding 2
Agentic 3
Cite this model
BibTeX · APA
BibTeX
@misc{frontier-gpt-5-5,
title = {GPT-5.5},
author = {{OpenAI}},
year = {2026},
note = {Frontier Benchmarks AI atlas. Accessed 2026-05-08},
url = {https://frontierbenchmarks.com/models/gpt-5-5}
} APA
OpenAI (2026). GPT-5.5 [Large language model]. Frontier Benchmarks AI. Retrieved 2026-05-08, from https://frontierbenchmarks.com/models/gpt-5-5
Citation reflects the atlas page, not the original model paper. For the paper, see the "Resources" section above.