GPT-5.5

AI models review

High confidence Updated Jul 30, 2026

As of Jul 30, 2026, GPT-5.5 is rated 1482 Elo on LM Arena (47,572 Arena votes).

1482 Elo
LM Arena
47.6K Arena votes

Benchmark and price facts

Vendor
OpenAI
License
proprietary
LM Arena text
1482 Elo (#16 of 40)
Price (input)
$5 / 1M tokens
Price (output)
$30 / 1M tokens
Context window
1,050,000 tokens
Human votes
47,572

Elo and votes from LM Arena; price and context from OpenRouter. Real fetched values, attributed, never blended.

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