Model comparison
Llama 4 Scout vs Sonar
Sonar is the stronger model overall, scoring 38.5 to 27.7 on the Noometry Index. Llama 4 Scout costs 6.7× less per token, which makes it the better buy when Sonar's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Meta
PerplexitySummary
- The widest gap is in writing & preference, where Sonar leads 52.6 to 37.0.
- Llama 4 Scout is cheaper at $0.10 / $0.30 per million input/output tokens, against $1 / $1 for Sonar.
- Llama 4 Scout has downloadable open weights; the other is API-only.
Side by side
| Llama 4 Scout | Sonar | |
|---|---|---|
| Provider | Meta | Perplexity |
| Noometry Index | 27.7 | 38.5 |
| Released | 2025-04-05 | 2024-01-01 |
| Weights | Open | Proprietary |
| Context window | 128K | 128K |
| Max output | 4K | 4K |
| Input $ / M tokens | $0.10 | $1 |
| Output $ / M tokens | $0.30 | $1 |
| Results tracked | 43 | 7 |
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Category by category
Coding Sonar leads
Llama 4 Scout: 20.2 (#339), Sonar: 35.7 (#221)
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| SWE-bench Verified (bash only) | 9.1% | — |
| SciCode | 17% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1286 | — |
| BigCodeBench Complete | 43.1% | — |
Agentic & Tool Use Not comparable
Llama 4 Scout: 24.6 (#119), Sonar: —
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| Berkeley Function Calling Leaderboard | 28.1% | — |
Reasoning Sonar leads
Llama 4 Scout: 9.1 (#345), Sonar: 21.1 (#227)
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 36.9% | — |
| ARC-AGI-1 | 0.5% | — |
| CritPt | 0% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1266 | — |
| DTBench | 57.9% | — |
| LiveBench Data Analysis | — | 37.9% |
| LMCA | 12% | — |
| Epoch Capabilities Index | 129.64 | — |
| ForecastBench | 57.5 | — |
| LiveBench | — | 46.9% |
Math Sonar leads
Llama 4 Scout: 19.6 (#286), Sonar: 33.7 (#200)
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 7.8% | — |
| Omni-MATH | 37.3% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1287 | — |
| MATH Level 5 | 62.3% | — |
| FrontierMath (Feb 2025 set) | 0% | — |
Knowledge Not comparable
Llama 4 Scout: 31.9 (#217), Sonar: —
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| GPQA Diamond | 51.8% | — |
| MMLU-Pro | 74.2% | — |
| Vectara Hallucination Rate | 7.7% | — |
| GPQA (HELM) | 50.7% | — |
| LMArena Expert | 1235 | — |
Multimodal Not comparable
Llama 4 Scout: 32.2 (#102), Sonar: —
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| LMArena Vision | 1118 | — |
| SpatialViz-Bench | 34.2% | — |
Multilingual Not comparable
Llama 4 Scout: 41.0 (#212), Sonar: —
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| LMArena Non-English | 1252 | — |
| LMArena Chinese | 1255 | — |
| LMArena French | 1282 | — |
| LMArena German | 1272 | — |
| LMArena Japanese | 1206 | — |
| LMArena Korean | 1207 | — |
| LMArena Russian | 1263 | — |
| LMArena Spanish | 1278 | — |
Instruction Following Sonar leads
Llama 4 Scout: 65.8 (#217), Sonar: 71.4 (#150)
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| IFEval | 81.8% | — |
| LMArena Instruction Following | 1248 | — |
Long Context Not comparable
Llama 4 Scout: 27.5 (#294), Sonar: —
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| Fiction.LiveBench | 36% | — |
| LMArena Longer Query | 1265 | — |
Writing & Preference Sonar leads
Llama 4 Scout: 37.0 (#261), Sonar: 52.6 (#167)
| Benchmark | Llama 4 Scout | Sonar |
|---|---|---|
| LMArena Text | 1279 | — |
| LMArena Creative Writing | 1249 | — |
| EQ-Bench Creative Writing | 783 | — |
| WildBench | 78% | — |
| LMArena Multi-Turn | 1280 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is Llama 4 Scout better than Sonar?
Sonar is the stronger model overall, scoring 38.5 to 27.7 on the Noometry Index. Llama 4 Scout costs 6.7× less per token, which makes it the better buy when Sonar's lead doesn't matter for your workload.
Which is cheaper, Llama 4 Scout or Sonar?
Llama 4 Scout is cheaper. It lists at $0.10 per million input tokens and $0.30 per million output tokens; Sonar lists at $1 and $1.
Is Llama 4 Scout or Sonar better for coding?
Sonar scores higher on coding benchmarks: 35.7 versus 20.2 in the Noometry coding category.
Which has the bigger context window?
Both accept 128K tokens.
How many benchmarks do Llama 4 Scout and Sonar share?
0 benchmarks have published results for both models. Llama 4 Scout has 43 scored results on Noometry and Sonar has 7.