Model comparison
GPT-4.1 vs Sonar
Sonar is the stronger model overall, scoring 38.5 to 35.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
PerplexitySummary
- The widest gap is in math, where Sonar leads 33.7 to 22.3.
- Sonar is cheaper at $1 / $1 per million input/output tokens, against $2 / $8 for GPT-4.1.
- GPT-4.1 accepts more context: 1.05M tokens versus 128K.
Side by side
| GPT-4.1 | Sonar | |
|---|---|---|
| Provider | OpenAI | Perplexity |
| Noometry Index | 35.9 | 38.5 |
| Released | 2025-04-14 | 2024-01-01 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 128K |
| Max output | 33K | 4K |
| Input $ / M tokens | $2 | $1 |
| Output $ / M tokens | $8 | $1 |
| Results tracked | 52 | 7 |
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Category by category
Coding Sonar leads
GPT-4.1: 34.4 (#238), Sonar: 35.7 (#221)
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| SWE-bench Verified | 48.5% | — |
| SWE-bench Verified (bash only) | 39.6% | — |
| Aider Polyglot | 52.4% | — |
| WeirdML | 39% | — |
| LiveBench Coding | — | 35.1% |
| LMArena Coding | 1391 | — |
| CadEval | 42% | — |
| ALE-Bench | 558.1 | — |
Agentic & Tool Use Not comparable
GPT-4.1: 34.7 (#43), Sonar: —
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| Berkeley Function Calling Leaderboard | 54% | — |
Reasoning Sonar leads
GPT-4.1: 11.7 (#339), Sonar: 21.1 (#227)
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| ARC-AGI-2 | 0.4% | — |
| SimpleBench | 27% | — |
| Kagi LLM Benchmark | 52.3% | — |
| ARC-AGI-1 | 5.5% | — |
| Chess Puzzles | 6% | — |
| EnigmaEval | 2.2% | — |
| LiveBench Reasoning | — | 46.3% |
| LMArena Hard Prompts | 1384 | — |
| DTBench | 68.3% | — |
| LiveBench Data Analysis | — | 37.9% |
| LMCA | 25.6% | — |
| Epoch Capabilities Index | 136.78 | — |
| ForecastBench | 61.5 | — |
| LiveBench | — | 46.9% |
Math Sonar leads
GPT-4.1: 22.3 (#280), Sonar: 33.7 (#200)
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| FrontierMath (Tiers 1-3) | 6% | — |
| OTIS Mock AIME 2024-2025 | 38.3% | — |
| Omni-MATH | 47.1% | — |
| LiveBench Math | — | 41.6% |
| LMArena Math | 1370 | — |
| MATH Level 5 | 83% | — |
| FrontierMath (Feb 2025 set) | 5.5% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Not comparable
GPT-4.1: 37.1 (#160), Sonar: —
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| GPQA Diamond | 66.9% | — |
| Humanity's Last Exam | 5.4% | — |
| SimpleQA Verified | 31.1% | — |
| MMLU-Pro | 81.1% | — |
| Vectara Hallucination Rate | 5.6% | — |
| GPQA (HELM) | 65.9% | — |
| LMArena Expert | 1364 | — |
Multimodal Not comparable
GPT-4.1: 38.2 (#67), Sonar: —
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| LMArena Vision | 1211 | — |
| GeoBench | 72% | — |
Multilingual Not comparable
GPT-4.1: 49.4 (#133), Sonar: —
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| LMArena Non-English | 1370 | — |
| LMArena Chinese | 1382 | — |
| LMArena French | 1382 | — |
| LMArena German | 1381 | — |
| LMArena Japanese | 1319 | — |
| LMArena Korean | 1339 | — |
| LMArena Russian | 1377 | — |
| LMArena Spanish | 1376 | — |
Instruction Following Too close to call
GPT-4.1: 71.3 (#153), Sonar: 71.4 (#150)
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| LiveBench Instruction Following | — | 76.2% |
| IFEval | 83.8% | — |
| LMArena Instruction Following | 1367 | — |
Long Context Not comparable
GPT-4.1: 40.0 (#163), Sonar: —
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| Fiction.LiveBench | 63.9% | — |
| LMArena Longer Query | 1385 | — |
Writing & Preference GPT-4.1 leads
GPT-4.1: 57.6 (#125), Sonar: 52.6 (#167)
| Benchmark | GPT-4.1 | Sonar |
|---|---|---|
| LMArena Text | 1383 | — |
| LMArena Creative Writing | 1363 | — |
| EQ-Bench Creative Writing | 1420 | — |
| WildBench | 85.4% | — |
| LMArena Multi-Turn | 1398 | — |
| LiveBench Language | — | 44.1% |
Frequently asked questions
Is GPT-4.1 better than Sonar?
Sonar is the stronger model overall, scoring 38.5 to 35.9 on the Noometry Index.
Which is cheaper, GPT-4.1 or Sonar?
Sonar is cheaper. It lists at $1 per million input tokens and $1 per million output tokens; GPT-4.1 lists at $2 and $8.
Is GPT-4.1 or Sonar better for coding?
Sonar scores higher on coding benchmarks: 35.7 versus 34.4 in the Noometry coding category.
Which has the bigger context window?
GPT-4.1 does, with 1.05M tokens against 128K.
How many benchmarks do GPT-4.1 and Sonar share?
0 benchmarks have published results for both models. GPT-4.1 has 52 scored results on Noometry and Sonar has 7.