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GPT-5.4 MiniGPT-5.4GPT-5.4 NanoChat with these 3

AttributeHide identical rows	GPT-5.4 Miniopenai/gpt-5.4-mini	GPT-5.4openai/gpt-5.4	GPT-5.4 Nanoopenai/gpt-5.4-nano
Specs
Context window	400K	1M	400K
Max output	128K	128K	128K
Input modalities
Output modalities
Capabilities
Streaming	Supported	Supported	Supported
Tool calling	Supported	Supported	Supported
Structured output (JSON)	Supported	Supported	Supported
Image input	Supported	Supported	Supported
Thinking mode	Supported	Supported	Supported
Price / 1M tokens
Input	$ 0.75	$ 2.50>= 272K$ 5.00	$ 0.20
Output	$ 4.50	$ 15.00>= 272K$ 22.50	$ 1.25
Cache read	$ 0.075	$ 0.25>= 272K$ 0.50	$ 0.020
Cache write	$ 0.75	$ 2.50>= 272K$ 5.00	$ 0.20
What it is good at
Best for	Fast agentic coding High-volume subagents	Agentic coding Professional knowledge work	Classification and extraction Ranking and simple subagents
Published benchmarks
Terminal-Bench 2.0pass_rate	60%effort xhigh(setup not fully disclosed)	75.1%effort xhigh(setup not fully disclosed)	46.3%effort xhigh(setup not fully disclosed)
BrowseComp (with tools)accuracy	—	82.7%effort xhigh(setup not fully disclosed)	—
SWE-Bench Pro (Public)pass_rate	54.4%effort xhigh(setup not fully disclosed)	57.7%effort xhigh(setup not fully disclosed)	52.4%effort xhigh(setup not fully disclosed)
OSWorld-Verifiedsuccess_rate	72.1%effort xhigh(setup not fully disclosed)	75%effort xhigh(setup not fully disclosed)	39%effort xhigh(setup not fully disclosed)
OpenAI MRCR v2 8-needle 128K–256Kaccuracy	33.6%effort xhigh(setup not fully disclosed)	—	33.1%effort xhigh(setup not fully disclosed)
MMMU Pro (no tools)accuracy	76.6%effort xhigh(setup not fully disclosed)	81.2%effort xhigh(setup not fully disclosed)	66.1%effort xhigh(setup not fully disclosed)
Humanity's Last Exam Full (with tools)accuracy	41.5%effort xhigh(setup not fully disclosed)	52.1%effort xhigh(setup not fully disclosed)	37.7%effort xhigh(setup not fully disclosed)
GPQA Diamondaccuracy	88%effort xhigh(setup not fully disclosed)	92.8%effort xhigh(setup not fully disclosed)	82.8%effort xhigh(setup not fully disclosed)
Toolathlonscore	42.9%effort xhigh(setup not fully disclosed)	54.6%effort xhigh(setup not fully disclosed)	35.5%effort xhigh(setup not fully disclosed)