Model comparison
Mercury vs Qwen3-4B
Mercury is the stronger model overall, scoring 37.6 to 31.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- Qwen3-4B has downloadable open weights; the other is API-only.
Side by side
| Mercury | Qwen3-4B | |
|---|---|---|
| Provider | Inception | Alibaba (Qwen) |
| Noometry Index | 37.6 | 31.9 |
| Released | — | 2025-04-29 |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 9 | 6 |
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Category by category
Coding Not comparable
Mercury: 38.7 (#170), Qwen3-4B: —
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| LMArena Coding | 1322 | — |
Agentic & Tool Use Not comparable
Mercury: —, Qwen3-4B: 27.6 (#100)
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 35.7% |
Reasoning Qwen3-4B leads
Mercury: 17.5 (#293), Qwen3-4B: 19.2 (#268)
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| Kagi LLM Benchmark | 21.6% | — |
| Chess Puzzles | — | 4% |
| LMArena Hard Prompts | 1285 | — |
Math Not comparable
Mercury: —, Qwen3-4B: 29.7 (#240)
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 38.5% |
| OTIS Mock AIME 2024-2025 | — | 52.2% |
Knowledge Not comparable
Mercury: —, Qwen3-4B: 33.0 (#208)
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| GPQA Diamond | — | 52.3% |
| Vectara Hallucination Rate | — | 5.7% |
Multilingual Not comparable
Mercury: 41.6 (#206), Qwen3-4B: —
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| LMArena Non-English | 1260 | — |
Instruction Following Not comparable
Mercury: 65.2 (#224), Qwen3-4B: —
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| LMArena Instruction Following | 1239 | — |
Long Context Not comparable
Mercury: 38.4 (#198), Qwen3-4B: —
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| LMArena Longer Query | 1266 | — |
Writing & Preference Not comparable
Mercury: 46.2 (#221), Qwen3-4B: —
| Benchmark | Mercury | Qwen3-4B |
|---|---|---|
| LMArena Text | 1282 | — |
| LMArena Creative Writing | 1191 | — |
| LMArena Multi-Turn | 1282 | — |
Frequently asked questions
Is Mercury better than Qwen3-4B?
Mercury is the stronger model overall, scoring 37.6 to 31.9 on the Noometry Index.
How many benchmarks do Mercury and Qwen3-4B share?
0 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Qwen3-4B has 6.