Compare · ModelsLive · 2 picked · head to head
Claude 3 Opus vs GPT-4o-mini
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude 3 Opus wins on 8/10 benchmarks
Claude 3 Opus wins 8 of 10 shared benchmarks. Leads in knowledge · general · reasoning.
Category leads
knowledge·Claude 3 Opusgeneral·Claude 3 Opusmath·GPT-4o-minireasoning·Claude 3 Opuscoding·Claude 3 Opus
Hype vs Reality
Attention vs performance
Claude 3 Opus
#261 by perf·no signal
GPT-4o-mini
#254 by perf·no signal
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
10 benchmarks · 2 models
Claude 3 OpusGPT-4o-mini
Chess Puzzles
Claude 3 Opus leads by +0.0
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Claude 3 Opus
0.0
GPT-4o-mini
0.0
Dtbench
Claude 3 Opus leads by +12.0
Claude 3 Opus
36.0
GPT-4o-mini
24.0
GPQA diamond
Claude 3 Opus leads by +12.6
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude 3 Opus
29.6
GPT-4o-mini
17.0
Lmca
Claude 3 Opus leads by +7.8
Claude 3 Opus
20.0
GPT-4o-mini
12.2
MATH level 5
GPT-4o-mini leads by +15.2
MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics.
Claude 3 Opus
37.5
GPT-4o-mini
52.6
MMLU
Claude 3 Opus leads by +3.7
Massive Multitask Language Understanding · 57 subjects spanning STEM, humanities, social sciences, and more. The standard benchmark for broad knowledge.
Claude 3 Opus
79.5
GPT-4o-mini
75.7
OTIS Mock AIME 2024-2025
GPT-4o-mini leads by +2.2
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude 3 Opus
4.6
GPT-4o-mini
6.8
SimpleBench
Claude 3 Opus leads by +8.2
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Claude 3 Opus
8.2
GPT-4o-mini
0.0
SimpleQA Verified
Claude 3 Opus leads by +4.3
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Claude 3 Opus
12.6
GPT-4o-mini
8.3
WeirdML
Claude 3 Opus leads by +7.5
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Claude 3 Opus
19.2
GPT-4o-mini
11.8
Full benchmark table
| Benchmark | Claude 3 Opus | GPT-4o-mini |
|---|---|---|
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 0.0 | 0.0 |
Dtbench | 36.0 | 24.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 29.6 | 17.0 |
Lmca | 20.0 | 12.2 |
MATH level 5 MATH Level 5 · the hardest tier of the MATH benchmark, featuring competition-level problems from AMC, AIME, and Olympiad-style mathematics. | 37.5 | 52.6 |
MMLU Massive Multitask Language Understanding · 57 subjects spanning STEM, humanities, social sciences, and more. The standard benchmark for broad knowledge. | 79.5 | 75.7 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 4.6 | 6.8 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 8.2 | 0.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 12.6 | 8.3 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 19.2 | 11.8 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| — | — | — | — | |
| $0.15 | $0.60 | 128K tokens (~64 books) | $2.62 |
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