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C

Claude Opus 4

by Anthropic
Flagship Proprietary Multimodal 🏆 Ranked #2 of 22
90.7
Overall Score
out of 100
About

Anthropic's most powerful and intelligent model, built for the most demanding tasks where quality outweighs cost. Claude Opus 4 leads on complex multi-step reasoning, graduate-level science, and nuanced long-form writing.

Key Metrics
Context Window
200K
tokens
Avg Response
1100
milliseconds
Input Cost
$15.0
per million tokens
Output Cost
$75.0
per million tokens
Arena ELO
1395
Chatbot Arena rating
MT-Bench
9.4
out of 10
Benchmark Scores
MMLU
93.2%
HumanEval
95.6%
MATH
86.0%
GPQA
74.2%
MT-Bench
94.0/10
Capability Profile
Strengths & Limitations
Strengths
✓ Highest intelligence in the Claude family ✓ Exceptional long-form writing ✓ Best GPQA scores ✓ Deep reasoning ✓ 200K context
Limitations
⚠ Highest cost ⚠ Slower than Sonnet ⚠ Overkill for simple tasks
Ideal Use Cases
Frontier research Expert-level analysis Complex coding projects Scientific writing High-stakes decisions
Model Details
Provider Anthropic
Released 2025-10-09
Open source No
Multimodal Yes
Tier Flagship
Global rank #2 / 22
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 93.2%
HumanEval 95.6%
MATH 86.0%
GPQA 74.2%
MT-Bench 9.4/10
Arena ELO 1395
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