Model comparison
Llama-3.3-70B-Instruct vs Mercury 2.5
Llama-3.3-70B-Instruct has enough public results to be ranked (#283); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Mercury 2.5 leads 22.4 to 14.3.
- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $0.10 / $0.32 for Llama-3.3-70B-Instruct.
- Mercury 2.5 accepts more context: 260K tokens versus 128K.
- Llama-3.3-70B-Instruct has downloadable open weights; the other is API-only.
Side by side
| Llama-3.3-70B-Instruct | Mercury 2.5 | |
|---|---|---|
| Provider | Meta | Inception |
| Noometry Index | 30.3 | 30.2 |
| Released | 2024-12-06 | 2026-09-08 |
| Weights | Open | Proprietary |
| Context window | 128K | 260K |
| Max output | 4K | 66K |
| Input $ / M tokens | $0.10 | $0.04 |
| Output $ / M tokens | $0.32 | $0.15 |
| Results tracked | 43 | 2 |
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Category by category
Coding Not comparable
Llama-3.3-70B-Instruct: 30.6 (#284), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| SciCode | 26% | — |
| WeirdML | 14.4% | — |
| BigCodeBench Instruct | 46.9% | — |
| LiveBench Coding | 36.6% | — |
| LMArena Coding | 1268 | — |
| BigCodeBench Complete | 57.5% | — |
| ALE-Bench | — | 301.65 |
Agentic & Tool Use Not comparable
Llama-3.3-70B-Instruct: 25.6 (#100), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| Berkeley Function Calling Leaderboard | 31.9% | — |
| BALROG | 23% | — |
Reasoning Not comparable
Llama-3.3-70B-Instruct: 13.7 (#325), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| SimpleBench | 19.9% | — |
| CritPt | 0% | — |
| LiveBench Reasoning | 50.8% | — |
| LMArena Hard Prompts | 1257 | — |
| DTBench | 59.5% | — |
| LiveBench Data Analysis | 49.5% | — |
| LMCA | 17.5% | — |
| Epoch Capabilities Index | 127.32 | — |
| ForecastBench | 58.6 | — |
| LiveBench | 50.2% | — |
Math Mercury 2.5 leads
Llama-3.3-70B-Instruct: 14.3 (#292), Mercury 2.5: 22.4
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 5.1% | — |
| ProofBench | — | 3% |
| LiveBench Math | 42.2% | — |
| LMArena Math | 1268 | — |
| MATH Level 5 | 41.6% | — |
Knowledge Not comparable
Llama-3.3-70B-Instruct: 30.5 (#220), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| GPQA Diamond | 47.4% | — |
| Confabulations | 22.8% | — |
| Vectara Hallucination Rate | 4.1% | — |
| LMArena Expert | 1225 | — |
| MMLU | 86.3% | — |
Multilingual Not comparable
Llama-3.3-70B-Instruct: 40.1 (#215), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| LMArena Non-English | 1236 | — |
| LMArena Chinese | 1217 | — |
| LMArena French | 1280 | — |
| LMArena German | 1251 | — |
| LMArena Japanese | 1149 | — |
| LMArena Korean | 1142 | — |
| LMArena Russian | 1252 | — |
| LMArena Spanish | 1269 | — |
Instruction Following Not comparable
Llama-3.3-70B-Instruct: 71.3 (#152), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| LiveBench Instruction Following | 82.7% | — |
| LMArena Instruction Following | 1242 | — |
Long Context Not comparable
Llama-3.3-70B-Instruct: 26.4 (#290), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| Fiction.LiveBench | 33.3% | — |
| LMArena Longer Query | 1256 | — |
Writing & Preference Not comparable
Llama-3.3-70B-Instruct: 47.8 (#203), Mercury 2.5: —
| Benchmark | Llama-3.3-70B-Instruct | Mercury 2.5 |
|---|---|---|
| LMArena Text | 1274 | — |
| LMArena Creative Writing | 1250 | — |
| LMArena Multi-Turn | 1279 | — |
| LiveBench Language | 39.2% | — |
Frequently asked questions
Is Llama-3.3-70B-Instruct better than Mercury 2.5?
Llama-3.3-70B-Instruct has enough public results to be ranked (#283); Mercury 2.5 does not yet, so treat this comparison as directional.
Which is cheaper, Llama-3.3-70B-Instruct or Mercury 2.5?
Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; Llama-3.3-70B-Instruct lists at $0.10 and $0.32.
Which has the bigger context window?
Mercury 2.5 does, with 260K tokens against 128K.
How many benchmarks do Llama-3.3-70B-Instruct and Mercury 2.5 share?
0 benchmarks have published results for both models. Llama-3.3-70B-Instruct has 43 scored results on Noometry and Mercury 2.5 has 2.