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GPT-4.5

OpenAIProprietaryNon-reasoningReleased Feb 27, 2025
Compare with Claude Opus 5.5Source scores ↗
Overall score
—
Not enough evidence to rank yet
Context window
128K
128,000 tokens
Price per 1M tokens
$75.00 in · $150.00 out
Source: BenchLM
Blended price
$93.75
3:1 input:output tokens
Output speed
—
Not measured yet

Category scores

Scores per capability area with the model's rank among ranked models in that category.

  1. 1Knowledge72.3
Higher is better. #N is the model's rank in that category, where it is eligible to be ranked.

Benchmark results (6)

As reported in system cards, papers and public evaluations. Position compares this model with every other model reporting the same benchmark.

Knowledge

GPQA69.5#81 of 117
MMLU90.8#2 of 28
SimpleQA62.5#1 of 10

Coding

HumanEval88.6#5 of 18

Reasoning

DROP83.4#2 of 5

Multilingual

MGSM86.9#3 of 11

Pricing by source

USD per 1M tokens.

SourceInputOutputCached in
List price (BenchLM)$75.00$150.00$37.50

OpenAI's GPT-4.5 Preview model page lists $75.00 input / $37.50 cached input / $150.00 output per million tokens. OpenAI marks the model deprecated.

Arena ratings

Human-preference ratings from LMArena. Best-rated variant shown.

Vision(2025-02-27)1195#97 · 2.9K votes

Speed

Measured by us through OpenRouter (median of trials).

Not available on OpenRouter, so we cannot measure it yet.

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