claude-sonnet-4.5

1469 Score third-party Elo · arena.ai / LMArena ?

Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...

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

Platforms

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Cheapest OpenRouter official $3.00 -50.0% vs official Input$1.50 Output$7.50 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-sonnet-4.5	OpenRouter	1M contextmultimodalreasoning	$3.00	$15.00
anthropic/claude-sonnet-4.5:batch :batch	OpenRouter	1M contextmultimodalreasoning	$1.50	$7.50
claude-sonnet-4.5	Anthropic	1M contextmultimodalreasoning	$3.00	$15.00

Capabilities

official design_arena & architecture metadata

Design Arena Elo official design_arena benchmark (OpenRouter)

asciiart 1207 · 56.1% wr
website 1192 · 51.8% wr
codecategories 1186 · 51.5% wr
uicomponent 1175 · 49.5% wr
gamedev 1171 · 51.1% wr
dataviz 1169 · 47.4% wr
3d 1159 · 51.0% wr
mobileapps 1134 · 52.9% wr
svg 1114 · 52.2% wr
webapps 1053 · 43.2% wr
fullstack 1050 · 43.7% 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-sonnet-4.5	$3.00	$15.00	—	$3.00	—	2026-10-14 00:43:43
OpenRouter	anthropic/claude-sonnet-4.5	$3.00	$15.00	128.1 ms	$3.00	100% available	2026-10-14 00:43:21

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