Model comparison
GPT-6.1 Sol vs Phi-3.5-mini
GPT-6.1 Sol has enough public results to be ranked (#6); Phi-3.5-mini does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- The widest gap is in coding, where GPT-6.1 Sol leads 63.2 to 34.6.
- Phi-3.5-mini has downloadable open weights; the other is API-only.
Side by side
| GPT-6.1 Sol | Phi-3.5-mini | |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 65.6 | 36.9 |
| Released | 2026-09-29 | 2024-08-16 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 34 | 5 |
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Category by category
Coding GPT-6.1 Sol leads
GPT-6.1 Sol: 63.2 (#8), Phi-3.5-mini: 34.6 (#232)
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| DeepSWE | 75.2% | — |
| FrontierCode | 50.2% | — |
| LMArena WebDev | 1755 | — |
| SciCode | 55.8% | — |
| BigCodeBench Instruct | — | 32.8% |
| LMArena Coding | 1487 | — |
| BigCodeBench Complete | — | 38.5% |
Agentic & Tool Use Not comparable
GPT-6.1 Sol: 39.6 (#26), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| APEX-Agents | 60% | — |
| GDP.pdf | 32% | — |
Reasoning Not comparable
GPT-6.1 Sol: 81.9 (#2), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| ARC-AGI-2 | 94.2% | — |
| NYT Connections (extended) | 95.5% | — |
| ARC-AGI-1 | 98.5% | — |
| CritPt | 31.7% | — |
| Chess Puzzles | 61% | — |
| EBR-Bench | 54.3% | — |
| LMArena Hard Prompts | 1466 | — |
| Mystery Game Puzzles | 80% | — |
| Epoch Capabilities Index | 166.09 | — |
| PIQA | — | 81% |
Math Not comparable
GPT-6.1 Sol: 93.7 (#1), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | 93.7% | — |
| FrontierMath Tier 4 | 100% | — |
| OTIS Mock AIME 2024-2025 | 100% | — |
| ProofBench | 99% | — |
| LMArena Math | 1464 | — |
| GSM8K | — | 86.2% |
Knowledge Not comparable
GPT-6.1 Sol: 71.8 (#4), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| GPQA Diamond | 95.4% | — |
| SimpleQA Verified | 73.9% | — |
| LMArena Expert | 1502 | — |
| BoolQ | — | 78% |
Multimodal Not comparable
GPT-6.1 Sol: 52.7 (#5), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| LMArena Vision | 1288 | — |
| Furniture Assembly | 80% | — |
Multilingual Not comparable
GPT-6.1 Sol: 54.3 (#46), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| LMArena Non-English | 1438 | — |
| LMArena Chinese | 1477 | — |
| LMArena Russian | 1455 | — |
Instruction Following Not comparable
GPT-6.1 Sol: 77.0 (#29), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| LMArena Instruction Following | 1468 | — |
Long Context Not comparable
GPT-6.1 Sol: 44.9 (#54), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| LMArena Longer Query | 1465 | — |
Writing & Preference Not comparable
GPT-6.1 Sol: 63.6 (#63), Phi-3.5-mini: —
| Benchmark | GPT-6.1 Sol | Phi-3.5-mini |
|---|---|---|
| LMArena Text | 1447 | — |
| LMArena Creative Writing | 1432 | — |
| LMArena Multi-Turn | 1449 | — |
Frequently asked questions
Is GPT-6.1 Sol better than Phi-3.5-mini?
GPT-6.1 Sol has enough public results to be ranked (#6); Phi-3.5-mini does not yet, so treat this comparison as directional.
Is GPT-6.1 Sol or Phi-3.5-mini better for coding?
GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 34.6 in the Noometry coding category.
How many benchmarks do GPT-6.1 Sol and Phi-3.5-mini share?
0 benchmarks have published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Phi-3.5-mini has 5.