Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.1 vs o1-preview
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 4.1 wins on 5/6 benchmarks
Claude Opus 4.1 wins 5 of 6 shared benchmarks. Leads in coding · knowledge · general.
Category leads
coding·Claude Opus 4.1knowledge·Claude Opus 4.1general·Claude Opus 4.1math·Claude Opus 4.1reasoning·Claude Opus 4.1
Hype vs Reality
Attention vs performance
Claude Opus 4.1
#228 by perf·#5 by attention
o1-preview
#187 by perf·no signal
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
6 benchmarks · 2 models
Claude Opus 4.1o1-preview
Cybench
Claude Opus 4.1 leads by +32.0
Cybench · evaluates AI on real Capture-The-Flag cybersecurity challenges, testing vulnerability analysis, exploitation, and security reasoning.
Claude Opus 4.1
42.0
o1-preview
10.0
GPQA diamond
Claude Opus 4.1 leads by +34.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Opus 4.1
69.7
o1-preview
35.2
Metr Time Horizons
Claude Opus 4.1 leads by +21.7
Claude Opus 4.1
66.8
o1-preview
45.1
OTIS Mock AIME 2024-2025
Claude Opus 4.1 leads by +37.8
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Opus 4.1
68.9
o1-preview
31.0
SimpleBench
Claude Opus 4.1 leads by +22.0
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Claude Opus 4.1
52.0
o1-preview
30.0
WeirdML
o1-preview leads by +4.8
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Opus 4.1
42.8
o1-preview
47.6
Full benchmark table
| Benchmark | Claude Opus 4.1 | o1-preview |
|---|---|---|
Cybench Cybench · evaluates AI on real Capture-The-Flag cybersecurity challenges, testing vulnerability analysis, exploitation, and security reasoning. | 42.0 | 10.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 69.7 | 35.2 |
Metr Time Horizons | 66.8 | 45.1 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 68.9 | 31.0 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 52.0 | 30.0 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 42.8 | 47.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $15.00 | $75.00 | 200K tokens (~100 books) | $300.00 | |
| n/a | n/a | n/a | n/a |