gpt-5.5-pro

1482 Score third-party Elo · arena.ai / LMArena ?

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+ token context window (922K input, 128K output) with support for...

LLM & Generative AI 1 model 3 listings snapshot Oct 14, 2026, 12:43 AM

Platforms

click a card to open the detail table

Cheapest OpenRouter official $30.00 -50.0% vs official Input$15.00 Output$90.00 per 1M tokens Fastest OpenRouter lowest p50 latency on this board 128.1 ms p50 Most free quota — largest published free allowance — free tier

Model variants

W3r9 dedup — same model + identical tags merge; prices are listed per billing form

Model	Provider	Tags	Input /1M	Output /1M
openai/gpt-5.5-pro	OpenRouter	1M contextmultimodalreasoning	$30.00	$180
openai/gpt-5.5-pro:batch :batch	OpenRouter	1M contextmultimodalreasoning	$15.00	$90.00
gpt-5.5-pro	OpenAI	1M contextmultimodalreasoning	$30.00	$180

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

No official Design Arena benchmark from this provider. Showing official architecture metadata only.

Input / Output modalities modality: text+image+file->text

text in+out
image input only

Platform details

per provider

provider	model	Input /1M	Output /1M	Latency ?	Official $/1M	Availability	Data time
OpenAI Official	gpt-5.5-pro	$30.00	$180	—	$30.00	—	2026-10-14 00:43:42
OpenRouter	openai/gpt-5.5-pro	$30.00	$180	128.1 ms	$30.00	100% available	2026-10-14 00:43:21

2 rows · snapshot 2026-10-14 00:43:42 · from data/public/prices.json + measurements.json