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C

Claude Opus 4.1

by Anthropic
Flagship Paid API Multimodal 🏆 Ranked #13 of 85
86.9
Overall Score
out of 100
About

Anthropic's vision-capable Opus model combining visual perception with language reasoning across a 200K context window.

Key Metrics
Context Window
200K
tokens
Avg Response
900
milliseconds
Input Cost
$15.0
per million tokens
Output Cost
$75.0
per million tokens
Arena ELO
1340
Chatbot Arena rating
MT-Bench
9.2
out of 10
Benchmark Scores
MMLU
91.0%
HumanEval
91.0%
MATH
88.0%
GPQA
72.0%
MT-Bench
92.0/10
Capability Profile
Strengths & Limitations
Strengths
✓ Vision understanding ✓ Long context ✓ Advanced reasoning ✓ Safe outputs ✓ Nuanced writing
Limitations
⚠ High cost ⚠ Slower than Sonnet ⚠ Overkill for simple tasks
Ideal Use Cases
Complex analysis Vision tasks Research Legal documents Technical writing
Model Details
Provider Anthropic
Released 2025-04-01
Type Paid API
Multimodal Yes
Tier Flagship
Global rank #13 / 85
Pricing (USD)
Input tokens $15.0/M
Output tokens $75.0/M
Per 1,000 tokens ≈ $0.0150 input / $0.0750 output
All Benchmarks
MMLU 91.0%
HumanEval 91.0%
MATH 88.0%
GPQA 72.0%
MT-Bench 9.2/10
Arena ELO 1340
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