Skip to main content
Back to Explore

GPT-5.5 (low)

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

Claude Opus 4.6 (Adaptive Reasoning, Max Effort)Q:+0.2
$10.00-11%
Kimi K2.6Q:-0.7
$1.35-88%
DeepSeek V4 ProQ:+0.8
$0.54-95%
OpenAI: GPT-5.3-CodexQ:+0.8
$4.81-57%

Performance

70

tokens/sec

Faster than 35% of models

1.56

seconds

Faster than 32% of models

1.56

seconds

Faster than 55% of models

Market Median

94 tok/s

25% slower

Median TTFT

1.11s

40% slower

Throughput/Dollar

6

tok/s per $/1M

Speed Comparison

GPT-5.5 (medium)
71 tok/s+0%
Z.ai: GLM 5
70 tok/s-0%
NVIDIA Nemotron Nano 9B V2 (Reasoning)
71 tok/s+1%

Benchmarks

MMLU-ProNot evaluated
GPQA Diamond
91.0%
HLE
31.0%
LiveCodeBenchNot evaluated
SciCode
51.6%
TerminalBench Hard
52.3%
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBench
64.4%
Long Context Recall
72.0%
Tau2
83.9%
Market AverageTop Score

Quick Compare

Similar Models

Compare all 7 models