Model comparison
Mercury vs o1
o1 is the stronger model overall, scoring 40.9 to 37.6 on the Noometry Index.
Last verified . 8 shared benchmarks.
Summary
- They share 8 benchmarks with published results for both. Mercury scores higher in 0 categories and o1 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in long context, where o1 leads 50.3 to 38.4.
Side by side
| Mercury | o1 | |
|---|---|---|
| Provider | Inception | OpenAI |
| Noometry Index | 37.6 | 40.9 |
| Released | — | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | — | 200K |
| Max output | — | 100K |
| Input $ / M tokens | — | $15 |
| Output $ / M tokens | — | $60 |
| Results tracked | 9 | 52 |
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Category by category
Coding o1 leads
Mercury: 38.7 (#170), o1: 46.1 (#70)
| Benchmark | Mercury | o1 |
|---|---|---|
| LMArena Coding | 1322 | 1367 |
| Aider Polyglot | — | 61.7% |
| WeirdML | — | 47.6% |
| LiveBench Coding | — | 69.7% |
| CadEval | — | 56% |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |
Agentic & Tool Use Not comparable
Mercury: —, o1: 24.6 (#117)
| Benchmark | Mercury | o1 |
|---|---|---|
| Cybench | — | 10% |
| METR Time Horizons | — | 51.1% |
Reasoning o1 leads
Mercury: 17.5 (#293), o1: 27.9 (#111)
| Benchmark | Mercury | o1 |
|---|---|---|
| LMArena Hard Prompts | 1285 | 1371 |
| SimpleBench | — | 41.7% |
| Kagi LLM Benchmark | 21.6% | — |
| ARC-AGI-1 | — | 30.7% |
| Chess Puzzles | — | 15% |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| DTBench | — | 74.7% |
| LiveBench Data Analysis | — | 65.5% |
| LMCA | — | 22.3% |
| Epoch Capabilities Index | — | 141.91 |
| LiveBench | — | 75.7% |
Math Not comparable
Mercury: —, o1: 36.1 (#175)
| Benchmark | Mercury | o1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 14.7% |
| OTIS Mock AIME 2024-2025 | — | 73.3% |
| LiveBench Math | — | 80.3% |
| LMArena Math | — | 1388 |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |
Knowledge Not comparable
Mercury: —, o1: 41.5 (#110)
| Benchmark | Mercury | o1 |
|---|---|---|
| GPQA Diamond | — | 76.8% |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |
| LMArena Expert | — | 1361 |
Multimodal Not comparable
Mercury: —, o1: 34.2 (#93)
| Benchmark | Mercury | o1 |
|---|---|---|
| LMArena Vision | — | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |
Multilingual o1 leads
Mercury: 41.6 (#206), o1: 48.6 (#142)
| Benchmark | Mercury | o1 |
|---|---|---|
| LMArena Non-English | 1260 | 1358 |
| LMArena Chinese | — | 1394 |
| LMArena French | — | 1344 |
| LMArena German | — | 1337 |
| LMArena Japanese | — | 1346 |
| LMArena Korean | — | 1396 |
| LMArena Russian | — | 1356 |
| LMArena Spanish | — | 1345 |
Instruction Following o1 leads
Mercury: 65.2 (#224), o1: 74.8 (#86)
| Benchmark | Mercury | o1 |
|---|---|---|
| LMArena Instruction Following | 1239 | 1367 |
| LiveBench Instruction Following | — | 81.5% |
Long Context o1 leads
Mercury: 38.4 (#198), o1: 50.3 (#9)
| Benchmark | Mercury | o1 |
|---|---|---|
| LMArena Longer Query | 1266 | 1378 |
| Fiction.LiveBench | — | 83.3% |
Writing & Preference o1 leads
Mercury: 46.2 (#221), o1: 55.6 (#144)
| Benchmark | Mercury | o1 |
|---|---|---|
| LMArena Text | 1282 | 1366 |
| LMArena Creative Writing | 1191 | 1348 |
| LMArena Multi-Turn | 1282 | 1369 |
| Short-Story Creative Writing | — | 70.2% |
| LiveBench Language | — | 65.4% |
Frequently asked questions
Is Mercury better than o1?
o1 is the stronger model overall, scoring 40.9 to 37.6 on the Noometry Index.
Is Mercury or o1 better for coding?
o1 scores higher on coding benchmarks: 46.1 versus 38.7 in the Noometry coding category.
How many benchmarks do Mercury and o1 share?
8 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and o1 has 52.