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OpenAI: GPT-5.5 (batch)

OpenAI·Released 2026-04-24
1.1M ctxMultimodal
Comparison data ready55% coverage10/10 fields directly observedUpdated Jul 22, 2026, 10:30 PM
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About

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

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Pricing

Input

$2.50

per 1M tokens

Output

$15.00

per 1M tokens

Blended

$5.63

per 1M tokens

Cheaper than 11% of models. Median price is $0.69/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$5.63

Monthly

$168.75

vs. Similar Models

OpenAI: GPT-5.6 Terra
$5.630%
GPT-5.6 Terra (xhigh)
$5.630%
OpenAI: GPT-5.4
$5.630%
GPT-5.6 Terra (high)
$5.630%

Performance

Context Window

1.1M

tokens

Larger than 95% of models

Max Output

128K

tokens

12% of context

Context Window Comparison

OpenAI: GPT-5.6 Sol
1.1MSame
OpenAI: GPT-5.6 Terra
1.1MSame
OpenAI: GPT-5.5
1.1MSame

Quick Compare

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Compare all 7 models