Model comparison
Mercury 2.5 vs Tulu 3 (Tülu 3) 70B
Tulu 3 (Tülu 3) 70B has enough public results to be ranked (#242); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- The widest gap is in math, where Mercury 2.5 leads 22.4 to 13.3.
- Tulu 3 (Tülu 3) 70B has downloadable open weights; the other is API-only.
Side by side
| Mercury 2.5 | Tulu 3 (Tülu 3) 70B | |
|---|---|---|
| Provider | Inception | Allen Institute for AI (Ai2) |
| Noometry Index | 30.2 | 32.6 |
| Released | 2026-09-08 | 2024-11-21 |
| Weights | Proprietary | Open |
| Context window | 260K | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.04 | — |
| Output $ / M tokens | $0.15 | — |
| Results tracked | 2 | 14 |
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Category by category
Coding Not comparable
Mercury 2.5: —, Tulu 3 (Tülu 3) 70B: 35.4 (#211)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| LMArena Coding | — | 1236 |
| ALE-Bench | 301.65 | — |
Reasoning Not comparable
Mercury 2.5: —, Tulu 3 (Tülu 3) 70B: 22.9 (#172)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| LMArena Hard Prompts | — | 1220 |
Math Mercury 2.5 leads
Mercury 2.5: 22.4, Tulu 3 (Tülu 3) 70B: 13.3 (#297)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 4.4% |
| ProofBench | 3% | — |
| LMArena Math | — | 1242 |
| MATH Level 5 | — | 42.7% |
Knowledge Not comparable
Mercury 2.5: —, Tulu 3 (Tülu 3) 70B: 25.1 (#257)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| GPQA Diamond | — | 46.3% |
Multilingual Not comparable
Mercury 2.5: —, Tulu 3 (Tülu 3) 70B: 40.1 (#217)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| LMArena Non-English | — | 1236 |
| LMArena Chinese | — | 1249 |
| LMArena Russian | — | 1246 |
Instruction Following Not comparable
Mercury 2.5: —, Tulu 3 (Tülu 3) 70B: 65.0 (#222)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| LMArena Instruction Following | — | 1233 |
Long Context Not comparable
Mercury 2.5: —, Tulu 3 (Tülu 3) 70B: 37.1 (#217)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| LMArena Longer Query | — | 1224 |
Writing & Preference Not comparable
Mercury 2.5: —, Tulu 3 (Tülu 3) 70B: 45.8 (#218)
| Benchmark | Mercury 2.5 | Tulu 3 (Tülu 3) 70B |
|---|---|---|
| LMArena Text | — | 1256 |
| LMArena Creative Writing | — | 1231 |
| LMArena Multi-Turn | — | 1252 |
Frequently asked questions
Is Mercury 2.5 better than Tulu 3 (Tülu 3) 70B?
Tulu 3 (Tülu 3) 70B has enough public results to be ranked (#242); Mercury 2.5 does not yet, so treat this comparison as directional.
How many benchmarks do Mercury 2.5 and Tulu 3 (Tülu 3) 70B share?
0 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and Tulu 3 (Tülu 3) 70B has 14.