Model comparison
Mercury 2.5 vs MiniMax-M2.1
MiniMax-M2.1 has enough public results to be ranked (#177); Mercury 2.5 does not yet, so treat this comparison as directional.
Last verified . 1 shared benchmarks.
MiniMaxSummary
- They share 1 benchmark with published results for both. Mercury 2.5 scores higher in 0 categories and MiniMax-M2.1 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in math, where MiniMax-M2.1 leads 35.6 to 22.4.
- Mercury 2.5 is cheaper at $0.04 / $0.15 per million input/output tokens, against $0.30 / $1.20 for MiniMax-M2.1.
- Mercury 2.5 accepts more context: 260K tokens versus 205K.
- MiniMax-M2.1 has downloadable open weights; the other is API-only.
Side by side
| Mercury 2.5 | MiniMax-M2.1 | |
|---|---|---|
| Provider | Inception | MiniMax |
| Noometry Index | 30.2 | 38.4 |
| Released | 2026-09-08 | 2025-12-23 |
| Weights | Proprietary | Open |
| Context window | 260K | 205K |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.04 | $0.30 |
| Output $ / M tokens | $0.15 | $1.20 |
| Results tracked | 2 | 22 |
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Category by category
Coding Not comparable
Mercury 2.5: —, MiniMax-M2.1: 40.1 (#132)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| ALE-Bench | 301.65 | 623.83 |
| LMArena WebDev | — | 1384 |
| LMArena Coding | — | 1421 |
Agentic & Tool Use Not comparable
Mercury 2.5: —, MiniMax-M2.1: 27.7 (#91)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| Terminal-Bench | — | 36.6% |
Reasoning Not comparable
Mercury 2.5: —, MiniMax-M2.1: 15.8 (#301)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| NYT Connections (extended) | — | 11.2% |
| LMArena Hard Prompts | — | 1410 |
Math MiniMax-M2.1 leads
Mercury 2.5: 22.4, MiniMax-M2.1: 35.6 (#142)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| ProofBench | 3% | — |
| LMArena Math | — | 1396 |
Knowledge Not comparable
Mercury 2.5: —, MiniMax-M2.1: 37.7 (#143)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| Vectara Hallucination Rate | — | 11.8% |
| LMArena Expert | — | 1432 |
Multilingual Not comparable
Mercury 2.5: —, MiniMax-M2.1: 50.2 (#123)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| LMArena Non-English | — | 1378 |
| LMArena Chinese | — | 1430 |
| LMArena French | — | 1405 |
| LMArena German | — | 1380 |
| LMArena Japanese | — | 1287 |
| LMArena Korean | — | 1297 |
| LMArena Russian | — | 1386 |
| LMArena Spanish | — | 1396 |
Instruction Following Not comparable
Mercury 2.5: —, MiniMax-M2.1: 74.0 (#108)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| LMArena Instruction Following | — | 1399 |
Long Context Not comparable
Mercury 2.5: —, MiniMax-M2.1: 43.2 (#98)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| LMArena Longer Query | — | 1416 |
Writing & Preference Not comparable
Mercury 2.5: —, MiniMax-M2.1: 58.5 (#114)
| Benchmark | Mercury 2.5 | MiniMax-M2.1 |
|---|---|---|
| LMArena Text | — | 1392 |
| LMArena Creative Writing | — | 1362 |
| LMArena Multi-Turn | — | 1396 |
Frequently asked questions
Is Mercury 2.5 better than MiniMax-M2.1?
MiniMax-M2.1 has enough public results to be ranked (#177); Mercury 2.5 does not yet, so treat this comparison as directional.
Which is cheaper, Mercury 2.5 or MiniMax-M2.1?
Mercury 2.5 is cheaper. It lists at $0.04 per million input tokens and $0.15 per million output tokens; MiniMax-M2.1 lists at $0.30 and $1.20.
Which has the bigger context window?
Mercury 2.5 does, with 260K tokens against 205K.
How many benchmarks do Mercury 2.5 and MiniMax-M2.1 share?
1 benchmark has published results for both models. Mercury 2.5 has 2 scored results on Noometry and MiniMax-M2.1 has 22.