Model comparison
Mercury 2.5 vs Phi 3 Mini 128k Instruct
Phi 3 Mini 128k Instruct has enough public results to be ranked (#303); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- The widest gap is in math, where Phi 3 Mini 128k Instruct leads 29.2 to 22.4.
- Phi 3 Mini 128k Instruct has downloadable open weights; the other is API-only.
Side by side
| Mercury 2.5 | Phi 3 Mini 128k Instruct | |
|---|---|---|
| Provider | Inception | Microsoft |
| Noometry Index | 30.2 | 29.1 |
| Released | 2026-09-08 | 2024-04-23 |
| Weights | Proprietary | Open |
| Context window | 260K | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.04 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 2 | 19 |
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Category by category
Coding Not comparable
Mercury 2.5: —, Phi 3 Mini 128k Instruct: 28.3 (#307)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| BigCodeBench Instruct | — | 29.6% |
| LMArena Coding | — | 1040 |
| BigCodeBench Complete | — | 40.6% |
| ALE-Bench | 301.65 | — |
Reasoning Not comparable
Mercury 2.5: —, Phi 3 Mini 128k Instruct: 18.7 (#254)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Hard Prompts | — | 1028 |
Math Phi 3 Mini 128k Instruct leads
Mercury 2.5: 22.4, Phi 3 Mini 128k Instruct: 29.2 (#220)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| ProofBench | 3% | — |
| LMArena Math | — | 1089 |
Knowledge Not comparable
Mercury 2.5: —, Phi 3 Mini 128k Instruct: 26.3 (#251)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Expert | — | 984 |
Multilingual Not comparable
Mercury 2.5: —, Phi 3 Mini 128k Instruct: 25.4 (#280)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Non-English | — | 1000 |
| LMArena Chinese | — | 1016 |
| LMArena French | — | 1038 |
| LMArena German | — | 1006 |
| LMArena Japanese | — | 899 |
| LMArena Korean | — | 856 |
| LMArena Russian | — | 1004 |
| LMArena Spanish | — | 1058 |
Instruction Following Not comparable
Mercury 2.5: —, Phi 3 Mini 128k Instruct: 52.1 (#289)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1023 |
Long Context Not comparable
Mercury 2.5: —, Phi 3 Mini 128k Instruct: 30.3 (#284)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Longer Query | — | 996 |
Writing & Preference Not comparable
Mercury 2.5: —, Phi 3 Mini 128k Instruct: 27.3 (#296)
| Benchmark | Mercury 2.5 | Phi 3 Mini 128k Instruct |
|---|---|---|
| LMArena Text | — | 1050 |
| LMArena Creative Writing | — | 1024 |
| LMArena Multi-Turn | — | 989 |
Frequently asked questions
Is Mercury 2.5 better than Phi 3 Mini 128k Instruct?
Phi 3 Mini 128k Instruct has enough public results to be ranked (#303); Mercury 2.5 does not yet, so treat this comparison as directional.
How many benchmarks do Mercury 2.5 and Phi 3 Mini 128k Instruct share?
0 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and Phi 3 Mini 128k Instruct has 19.