claude-opus-4.1

1459 Score third-party Elo · arena.ai / LMArena ?

Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning, and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains...

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

Platforms

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Cheapest OpenRouter official $15.00 -50.0% vs official Input$7.50 Output$37.50 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-4.1	OpenRouter	195k contextmultimodalreasoning	$15.00	$75.00
anthropic/claude-opus-4.1:batch :batch	OpenRouter	195k contextmultimodalreasoning	$7.50	$37.50
claude-opus-4.1	Anthropic	195k contextmultimodalreasoning	$15.00	$75.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

website 1179 · 55.3% wr
gamedev 1176 · 58.4% wr
codecategories 1174 · 55.8% wr
asciiart 1169 · 51.5% wr
dataviz 1167 · 56.4% wr
uicomponent 1166 · 57.8% wr
3d 1154 · 51.9% wr
svg 1152 · 60.8% 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-4.1	$15.00	$75.00	—	$15.00	—	2026-10-14 00:43:43
OpenRouter	anthropic/claude-opus-4.1	$15.00	$75.00	128.1 ms	$15.00	100% available	2026-10-14 00:43:21

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