claude-opus-5.5

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...

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

Platforms

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Cheapest OpenRouter official $4.00 -50.0% vs official Input$2.00 Output$10.00 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
anthropic/claude-opus-5.5	OpenRouter	1M contextmultimodalreasoning	$4.00	$20.00
anthropic/claude-opus-5.5:batch :batch	OpenRouter	1M contextmultimodalreasoning	$2.00	$10.00
claude-opus-5.5	Anthropic	1M contextmultimodalreasoning	$4.00	$20.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

3d 1479 · 72.0% wr
gamedev 1461 · 72.0% wr
dataviz 1398 · 64.4% wr
codecategories 1393 · 63.9% wr
uicomponent 1384 · 63.8% wr
website 1335 · 57.4% wr
svg 1332 · 51.4% wr
mobileapps 1327 · 64.2% 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
Anthropic Official	claude-opus-5.5	$4.00	$20.00	—	$4.00	—	2026-10-14 00:43:43
OpenRouter	anthropic/claude-opus-5.5	$4.00	$20.00	128.1 ms	$4.00	100% available	2026-10-14 00:43:21

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