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GPT-5.5 (high)

OpenAI·Released 2026-04-23
Multimodal

Pricing

Input

$5.00

per 1M tokens

Output

$30.00

per 1M tokens

Blended

$11.25

per 1M tokens

Cheaper than 4% of models. Median price is $0.54/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$11.25

Monthly

$337.50

vs. Similar Models

Anthropic: Claude Opus 4.7Q:+0.4
$10.00-11%
OpenAI: GPT-5.5Q:+1.7
$11.250%
OpenAI: GPT-5.4Q:-1.7
$5.63-50%
Z.ai: GLM 5.2Q:-2.0
$1.46-87%

Performance

83

tokens/sec

Faster than 43% of models

12.04

seconds

Faster than 10% of models

12.04

seconds

Faster than 37% of models

Market Median

94 tok/s

12% slower

Median TTFT

1.11s

982% slower

Throughput/Dollar

7

tok/s per $/1M

Speed Comparison

Z.ai: GLM 5.1
83 tok/s-0%
Grok 4.1 Fast (Non-reasoning)
83 tok/s-0%
Ministral 3 8B
83 tok/s-0%

Benchmarks

MMLU-ProNot evaluated
GPQA Diamond
93.2%
HLE
43.0%
LiveCodeBenchNot evaluated
SciCode
55.9%
TerminalBench Hard
59.8%
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBench
71.6%
Long Context Recall
73.3%
Tau2
93.0%
Market AverageTop Score

Quick Compare

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