Compare · ModelsLive · 2 picked · head to head
Claude Opus 4.1 vs R1
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Opus 4.1 wins on 7/7 benchmarks
Claude Opus 4.1 wins 7 of 7 shared benchmarks. Leads in knowledge · math · reasoning.
Category leads
knowledge·Claude Opus 4.1math·Claude Opus 4.1reasoning·Claude Opus 4.1coding·Claude Opus 4.1
Hype vs Reality
Attention vs performance
Claude Opus 4.1
#137 by perf·no signal
R1
#116 by perf·no signal
Best value
R1
30.7x better value than Claude Opus 4.1
Claude Opus 4.1
0.9 pts/$
$45.00/M
R1
28.2 pts/$
$1.60/M
Vendor risk
Mixed exposure
One or more vendors flagged
Anthropic
$380.0B·Tier 1
DeepSeek
$3.4B·Tier 1
Head to head
7 benchmarks · 2 models
Claude Opus 4.1R1
DeepResearch Bench
Claude Opus 4.1 leads by +14.6
DeepResearch Bench · evaluates AI on complex multi-step research tasks requiring information gathering, synthesis, and producing comprehensive analyses.
Claude Opus 4.1
49.7
R1
35.1
GPQA diamond
Claude Opus 4.1 leads by +7.4
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
R1
62.3
Lech Mazur Writing
Claude Opus 4.1 leads by +2.4
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
Claude Opus 4.1
85.4
R1
83.0
OTIS Mock AIME 2024-2025
Claude Opus 4.1 leads by +15.6
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Opus 4.1
68.9
R1
53.3
SimpleBench
Claude Opus 4.1 leads by +34.9
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Claude Opus 4.1
52.0
R1
17.1
SimpleQA Verified
Claude Opus 4.1 leads by +7.4
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude Opus 4.1
34.8
R1
27.4
WeirdML
Claude Opus 4.1 leads by +6.3
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude Opus 4.1
42.8
R1
36.5
Full benchmark table
| Benchmark | Claude Opus 4.1 | R1 |
|---|---|---|
DeepResearch Bench DeepResearch Bench · evaluates AI on complex multi-step research tasks requiring information gathering, synthesis, and producing comprehensive analyses. | 49.7 | 35.1 |
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 | 62.3 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 85.4 | 83.0 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 68.9 | 53.3 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 52.0 | 17.1 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 34.8 | 27.4 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 42.8 | 36.5 |
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 | |
| $0.70 | $2.50 | 64K tokens (~32 books) | $11.50 |