gpt-5.5

1477 Score third-party Elo · arena.ai / LMArena ?

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...

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

Platforms

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Cheapest OpenRouter official $5.00 -50.0% vs official Input$2.50 Output$15.00 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	OpenRouter	1M contextmultimodalreasoning	$5.00	$30.00
openai/gpt-5.5:batch :batch	OpenRouter	1M contextmultimodalreasoning	$2.50	$15.00
gpt-5.5	OpenAI	1M contextmultimodalreasoning	$5.00	$30.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

gamedev 1299 · 57.3% wr
dataviz 1266 · 55.8% wr
codecategories 1263 · 53.2% wr
uicomponent 1261 · 53.4% wr
website 1259 · 52.4% wr
asciiart 1258 · 58.4% wr
svg 1234 · 55.2% wr
3d 1198 · 49.5% wr
agenticgamedev 1179 · 52.4% wr
androidnative 1178 · 50.9% wr
godotgamedev 1173 · 52.3% wr
pptxslides 1157 · 45.3% wr

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