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GPT-5.5 Instant (May 2026)

OpenAI·Released 2026-05-05
Multimodal
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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 $0.67/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$11.25

Monthly

$337.50

vs. Similar Models

Tencent: Hy3Q:+0.1
$0.25-98%
MiniMax: MiniMax M2.5Q:+0.2
$0.34-97%
Qwen: Qwen3.5 397B A17BQ:+0.2
$0.90-92%
Claude 4.1 Opus (Reasoning)Q:+0.2
$30.00+167%

Benchmarks

MMLU-ProNot evaluated
GPQA Diamond
84.6%
HLE
20.3%
LiveCodeBenchNot evaluated
SciCode
50.3%
TerminalBench Hard
42.4%
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBench
71.5%
Long Context Recall
55.7%
Tau2
49.4%
Market AverageTop Score

Quick Compare

Similar Models

Tencent: Hy3

Tencent

Q: 33.6$0.25/1M262K ctx
Cheaper: 98%Coding: -8.6

Qwen: Qwen3.5 397B A17B

Alibaba

Q: 33.7$0.90/1M256K ctx
Cheaper: 92%Coding: +3.1

MiniMax: MiniMax M2.5

MiniMax

Q: 33.7$0.34/1M205K ctx
Cheaper: 97%Coding: -7.7

Z.ai: GLM 4.7

Z AI

Q: 33.7$0.74/1M203K ctx
Cheaper: 93%

Grok 4

SpaceXAI

Q: 33.3$11.00/1M256K ctx
Coding: -4.6

GPT-5 (medium)

OpenAI

Q: 33.7$3.44/1M
Cheaper: 69%Coding: -6.2
Compare all 7 models