BenchLeader

GPT 5.5 Factory

GPT 5.5 Factory is an OpenAI proprietary model. It is not yet ranked: 1 independent result so far, and the index needs at least five across two categories. Last measured 28 Sept 2026.

Blended price
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Output speed
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First answer
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Context
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Full answer
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Cost per run
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Released
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date not published by our sources
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Agents & tools46

Benchmark results

See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Coding

Benchmarknot statedSource
SWE-bench (Vals)not in index76.2%#39Vals AI
Vibe Code Bench v1.1not in index67.4%#47Vals AI

Agents & tools

Benchmarknot statedSource
Terminal-Bench 2.1 (Vals)57.3%#43Vals AI

More from OpenAI

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Questions people ask

Why does GPT 5.5 Factory have no BenchLeader Index score?
The index needs at least five independent results across at least two categories; as of 25 Oct 2026 GPT 5.5 Factory has 1 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.

Data as of 25 Oct 2026. Compare with another model.

Cite as: BenchLeader, “GPT 5.5 Factory: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/gpt-5-5-factory.