Model comparison
Mercury vs Sonar
Mercury and Sonar score almost the same on the Noometry Index (37.6 vs 38.5), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
PerplexitySummary
- The widest gap is in writing & preference, where Sonar leads 52.6 to 46.2.
Side by side
| Mercury | Sonar | |
|---|---|---|
| Provider | Inception | Perplexity |
| Noometry Index | 37.6 | 38.5 |
| Released | — | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | — | 128K |
| Max output | — | 4K |
| Input $ / M tokens | — | $1 |
| Output $ / M tokens | — | $1 |
| Results tracked | 9 | 7 |
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Category by category
Coding Mercury leads
Mercury: 38.7 (#170), Sonar: 35.7 (#221)
| Benchmark | Mercury | Sonar |
|---|---|---|
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1322 | — |
Reasoning Sonar leads
Mercury: 17.5 (#293), Sonar: 21.1 (#227)
| Benchmark | Mercury | Sonar |
|---|---|---|
| Kagi LLM Benchmark | 21.6% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1285 | — |
| LiveBench Data Analysis | — | 37.9% |
| LiveBench | — | 46.9% |
Math Not comparable
Mercury: —, Sonar: 33.7 (#200)
| Benchmark | Mercury | Sonar |
|---|---|---|
| LiveBench Math | — | 41.6% |
Multilingual Not comparable
Mercury: 41.6 (#206), Sonar: —
| Benchmark | Mercury | Sonar |
|---|---|---|
| LMArena Non-English | 1260 | — |
Instruction Following Sonar leads
Mercury: 65.2 (#224), Sonar: 71.4 (#150)
| Benchmark | Mercury | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| LMArena Instruction Following | 1239 | — |
Long Context Not comparable
Mercury: 38.4 (#198), Sonar: —
| Benchmark | Mercury | Sonar |
|---|---|---|
| LMArena Longer Query | 1266 | — |
Writing & Preference Sonar leads
Mercury: 46.2 (#221), Sonar: 52.6 (#167)
| Benchmark | Mercury | Sonar |
|---|---|---|
| LMArena Text | 1282 | — |
| LMArena Creative Writing | 1191 | — |
| LMArena Multi-Turn | 1282 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is Mercury better than Sonar?
Mercury and Sonar score almost the same on the Noometry Index (37.6 vs 38.5), so choose on price, context window or the category you care about most.
Is Mercury or Sonar better for coding?
Mercury scores higher on coding benchmarks: 38.7 versus 35.7 in the Noometry coding category.
How many benchmarks do Mercury and Sonar share?
0 benchmarks have published results for both models. Mercury has 9 scored results on Noometry and Sonar has 7.