Skip to content
AIMODELRACE
OpenAILanguage modelRetired July 2025

GPT-4.5

The giant non-reasoning model: superb taste and EQ, enormous price.

Overall Intelligence

#7

of 12
10.5 pts behind #1

2

races led

70

weeks at #1

59.7

score

Released
Feb 27, 2025
1.6 yr ago
Context
128K
16K max output
Price
$75 / $150
per 1M in/out · $93.75 blended
Speed
25 tok/s
1.4s to first token
Modalities
text · image
outputs text
Weights
Closed
API and apps

The 30-second version

A very large non-reasoning model praised for writing and 'vibes', but too expensive to serve. Retired in July 2025.

Key takeaways
  • 1Excellent conversational feel.
  • 2Showed the limits of scaling pre-training alone.
  • 3Short-lived due to cost.

Where it ranks

Current snapshot · illustrative scores · click any race to watch it

CodingHard ReasoningMathScienceWriting & LanguageMultimodalTool Use & AgentsLong ContextTrust & FactualitySpeed & Cost

GPT-4.5Best on each axis

Overall Intelligence over time

#1 frontierGPT-4.5V4.1 FlashGLM-5.3
55.060.065.070.075.080.085.090.02025Apr ’25Jul ’25Oct ’252026Apr ’26Jul ’26Oct ’26

Update history

The distilled version first; open any release for the deeper breakdown.