anthropic / text-generation API-only released 2025-08-05

Claude Opus 4.1

Name: Claude Opus 4.1
Price: 15 USD
Author: anthropic

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...

Input / 1M

$15.00

Output / 1M

$75.00

Context

200K

AA Intelligence

22.8

Closed weights — available only as a hosted API image + text + file → text Knowledge cutoff Jan 2025 View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-10-24

$15.00

input / 1M

$75.00

output / 1M

$1.50

cached input / 1M

$90.00

1M in + 1M out

:batch variant $7.50 in · $37.50 out

Context window: 200,000 tokens
Max output: 32,000 tokens
Providers: 1
Cheapest provider: Amazon Bedrock · $15.00 / $75.00
Best throughput: —
AA Intelligence / Coding / Agentic: 22.8 / — / —

✓ Tool calling ✓ Reasoning ✗ Structured outputs ✓ Image input ✓ File input ✗ Audio input ✓ Prompt caching

Price history

tracking started — chart appears after 7 days of snapshots (6 recorded)

Current: $15.00 input · $75.00 output per 1M tokens

Benchmarks

Third-party indices as published through OpenRouter — Artificial Analysis and Design Arena. Not measured by us.

AA Intelligence Index: 22.8
AA Coding Index: —
AA Agentic Index: —

Design Arena

CategoryEloWin %Rank

3d 1153 51.9% #67

asciiart 1167 51.5% #31

codecategories 1171 55.8% #71

dataviz 1166 56.4% #74

gamedev 1171 58.4% #66

svg 1153 60.8% #44

uicomponent 1162 57.8% #73

website 1177 55.3% #77

Providers

1 provider · per 1M tokens · last 30 min metrics

Provider	Quant	Context	Input	Output	Uptime	Tok/s
Amazon Bedrock	unknown	200K	$15.00	$75.00	100%	—

Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation: anthropic
Released on OpenRouter: 2025-08-05
Context window: 200,000 tokens
Max output: 32,000 tokens
Input: image, text, file
Output: text
Knowledge cutoff: January 2025
Tokenizer: Claude
Moderated by provider: Yes
OpenRouter id: anthropic/claude-opus-4.1

Compare with

Popular comparisons

MiniMax-M2.5 open $0.44 MiniMax-M2.7 open $0.53 NVIDIA-Nemotron-3-Ultra-550B-A55B-BF16 open $1.05 Qwen3.5-27B open $0.74 GLM-4.7 open $0.90 o3 Pro $35.00 Claude Sonnet 4.5 $6.00 o1 $26.25 Claude Opus 4.5 $10.00 Claude Sonnet 4.6 $6.00

Browse

All API-only models Open-weights alternatives Best value via API

Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.