Model comparison
Mercury vs Step 2 16k Exp 202412
Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 37.3 on the Noometry Index.
Last verified . 8 shared benchmarks.
StepFunSummary
- They share 8 benchmarks with published results for both. Mercury scores higher in 1 category and Step 2 16k Exp 202412 in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 2 16k Exp 202412 leads 24.8 to 16.8.
Side by side
| Mercury | Step 2 16k Exp 202412 | |
|---|---|---|
| Provider | Inception | StepFun |
| Noometry Index | 37.3 | 38.6 |
| Released | — | — |
| Weights | Proprietary | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 12 |
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Category by category
Coding Too close to call
Mercury: 38.1 (#164), Step 2 16k Exp 202412: 37.9 (#170)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1323 | 1316 |
Reasoning Step 2 16k Exp 202412 leads
Mercury: 16.8 (#288), Step 2 16k Exp 202412: 24.8 (#140)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1284 | 1299 |
| Kagi LLM Benchmark | 21.6% | — |
Math Not comparable
Mercury: —, Step 2 16k Exp 202412: 33.6 (#171)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | — | 1305 |
Knowledge Not comparable
Mercury: —, Step 2 16k Exp 202412: 34.6 (#187)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | — | 1279 |
Multilingual Step 2 16k Exp 202412 leads
Mercury: 41.7 (#201), Step 2 16k Exp 202412: 43.9 (#176)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1259 | 1290 |
| LMArena Chinese | — | 1331 |
| LMArena Russian | — | 1324 |
Instruction Following Step 2 16k Exp 202412 leads
Mercury: 65.3 (#220), Step 2 16k Exp 202412: 68.1 (#187)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1238 | 1287 |
Long Context Step 2 16k Exp 202412 leads
Mercury: 38.3 (#193), Step 2 16k Exp 202412: 39.7 (#165)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1264 | 1307 |
Writing & Preference Step 2 16k Exp 202412 leads
Mercury: 46.2 (#216), Step 2 16k Exp 202412: 52.5 (#168)
| Benchmark | Mercury | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1282 | 1321 |
| LMArena Creative Writing | 1186 | 1328 |
| LMArena Multi-Turn | 1283 | 1292 |
Frequently asked questions
Is Mercury better than Step 2 16k Exp 202412?
Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 37.3 on the Noometry Index.
Is Mercury or Step 2 16k Exp 202412 better for coding?
They score almost the same on coding (38.1 vs 37.9); test both on your own repository before choosing.
How many benchmarks do Mercury and Step 2 16k Exp 202412 share?
8 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Step 2 16k Exp 202412 has 12.