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Chatgpt 4o 01.29 2025

Chatgpt 4o 01.29 2025 is an OpenAI proprietary model, released 29 Jan 2025. It is not yet ranked: 1 independent result so far, and the index needs at least five across two categories. Last measured 29 Jan 2025.stale: no new result in six months

Blended price
Output speed
First answer
Context
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Long context56

Benchmark results

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.

Long context

BenchmarkdefaultSource
Fiction.LiveBench 120k65.6%#10Fiction.live

See also

Data as of 10 Sept 2026. Compare with another model.