Xentir Claude 3 Opus vs GPT-4o mini
Claude 3 Opus · Anthropic, released 2024-02-29
GPT-4o mini · OpenAI, released 2024-07-18
“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-09-09 · Methodology · Data Sources
Claude 3 Opus leads on more of the 6 benchmarks where both are measured — Claude 3 Opus on 4, GPT-4o mini on 2. The remaining 3 of 9 tracked benchmarks cannot be compared: 0 have a result for only one of the two models, 3 for neither. Nothing on this page is estimated to fill those in.
Head-to-head
Measured on 6 of 9 tracked benchmarks for both models — Claude 3 Opus leads on 4, GPT-4o mini leads on 2.
| Benchmark | Claude 3 Opus | GPT-4o mini | Leads |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 126.9 | 126.6 | Claude 3 Opus |
| SWE-bench Verified | Not measured | Not measured | Not measured on both |
| GPQA Diamond | 0.472 | 0.377 | Claude 3 Opus |
| MATH Level 5 | 0.375 | 0.526 | GPT-4o mini |
| OTIS Mock AIME 2024-2025 | 0.047 | 0.069 | GPT-4o mini |
| FrontierMath | Not measured | Not measured | Not measured on both |
| FrontierMath Tier 4 | Not measured | Not measured | Not measured on both |
| SimpleQA Verified | 0.126 | 0.083 | Claude 3 Opus |
| Chess Puzzles | 0.050 | 0.000 | Claude 3 Opus |
What remains uncertain
- 3 tracked benchmarks have no published result for either model.
A missing result means Xentir has not found one published by the source it cites, not that the model performs badly. See Data Sources.
Reference price
| Per 1M tokens | Claude 3 Opus | GPT-4o mini |
|---|---|---|
| Output | — | $0.60 |
List price as published by the vendor. Xentir does not verify negotiated or enterprise rates, and price is not a measure of capability — see Data Sources.
Full profiles
Claude 3 Opus → · GPT-4o mini → · the full AI Model Rankings table