Model comparison
Llama2 70b Steerlm Chat vs Mercury 2.5
Llama2 70b Steerlm Chat has enough public results to be ranked (#265); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
NVIDIASummary
- The widest gap is in math, where Llama2 70b Steerlm Chat leads 28.8 to 22.4.
- Llama2 70b Steerlm Chat has downloadable open weights; the other is API-only.
Side by side
| Llama2 70b Steerlm Chat | Mercury 2.5 | |
|---|---|---|
| Provider | NVIDIA | Inception |
| Noometry Index | 31.2 | 30.2 |
| Released | — | 2026-09-08 |
| Weights | Open | Proprietary |
| Context window | — | 260K |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.04 |
| Output $ / M tokens | — | $0.15 |
| Results tracked | 9 | 2 |
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Category by category
Coding Not comparable
Llama2 70b Steerlm Chat: 29.3 (#295), Mercury 2.5: —
| Benchmark | Llama2 70b Steerlm Chat | Mercury 2.5 |
|---|---|---|
| LMArena Coding | 1025 | — |
| ALE-Bench | — | 301.65 |
Reasoning Not comparable
Llama2 70b Steerlm Chat: 19.1 (#245), Mercury 2.5: —
| Benchmark | Llama2 70b Steerlm Chat | Mercury 2.5 |
|---|---|---|
| LMArena Hard Prompts | 1047 | — |
Math Llama2 70b Steerlm Chat leads
Llama2 70b Steerlm Chat: 28.8 (#223), Mercury 2.5: 22.4
| Benchmark | Llama2 70b Steerlm Chat | Mercury 2.5 |
|---|---|---|
| ProofBench | — | 3% |
| LMArena Math | 1072 | — |
Multilingual Not comparable
Llama2 70b Steerlm Chat: 28.9 (#265), Mercury 2.5: —
| Benchmark | Llama2 70b Steerlm Chat | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1064 | — |
Instruction Following Not comparable
Llama2 70b Steerlm Chat: 54.5 (#274), Mercury 2.5: —
| Benchmark | Llama2 70b Steerlm Chat | Mercury 2.5 |
|---|---|---|
| LMArena Instruction Following | 1061 | — |
Long Context Not comparable
Llama2 70b Steerlm Chat: 30.4 (#283), Mercury 2.5: —
| Benchmark | Llama2 70b Steerlm Chat | Mercury 2.5 |
|---|---|---|
| LMArena Longer Query | 998 | — |
Writing & Preference Not comparable
Llama2 70b Steerlm Chat: 31.8 (#278), Mercury 2.5: —
| Benchmark | Llama2 70b Steerlm Chat | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1098 | — |
| LMArena Creative Writing | 1091 | — |
| LMArena Multi-Turn | 1058 | — |
Frequently asked questions
Is Llama2 70b Steerlm Chat better than Mercury 2.5?
Llama2 70b Steerlm Chat has enough public results to be ranked (#265); Mercury 2.5 does not yet, so treat this comparison as directional.
How many benchmarks do Llama2 70b Steerlm Chat and Mercury 2.5 share?
0 benchmarks have published results for both models. Llama2 70b Steerlm Chat has 9 scored results on Noometry and Mercury 2.5 has 2.