Model comparison
GPT-6 Sol vs Granite 3.1 8b Instruct
GPT-6 Sol is the stronger model overall, scoring 49.2 to 31.8 on the Noometry Index.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. GPT-6 Sol scores higher in 9 categories and Granite 3.1 8b Instruct in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where GPT-6 Sol leads 72.3 to 35.7.
- Granite 3.1 8b Instruct has downloadable open weights; the other is API-only.
Side by side
| GPT-6 Sol | Granite 3.1 8b Instruct | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 49.2 | 31.8 |
| Released | 2026-09-22 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 22 | 13 |
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Category by category
Coding GPT-6 Sol leads
GPT-6 Sol: 59.6 (#11), Granite 3.1 8b Instruct: 33.9 (#232)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Coding | 1453 | 1186 |
| DeepSWE | 68.8% | — |
| FrontierCode | 49.3% | — |
| LMArena WebDev | 1692 | — |
Agentic & Tool Use GPT-6 Sol leads
GPT-6 Sol: 33.5 (#49), Granite 3.1 8b Instruct: 23.9 (#113)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
| GDP.pdf | 28% | — |
Reasoning GPT-6 Sol leads
GPT-6 Sol: 49.3 (#34), Granite 3.1 8b Instruct: 21.2 (#204)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1420 | 1146 |
| NYT Connections (extended) | 90.1% | — |
| EBR-Bench | 53.3% | — |
Math GPT-6 Sol leads
GPT-6 Sol: 35.8 (#135), Granite 3.1 8b Instruct: 30.4 (#210)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Math | 1404 | 1152 |
Knowledge GPT-6 Sol leads
GPT-6 Sol: 43.0 (#87), Granite 3.1 8b Instruct: 30.6 (#218)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Expert | 1449 | 1142 |
| Vectara Hallucination Rate | 6.5% | — |
Multimodal Not comparable
GPT-6 Sol: 47.6 (#9), Granite 3.1 8b Instruct: —
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| Furniture Assembly | 58.3% | — |
Multilingual GPT-6 Sol leads
GPT-6 Sol: 51.0 (#113), Granite 3.1 8b Instruct: 31.1 (#255)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Non-English | 1389 | 1099 |
| LMArena Chinese | 1416 | 1145 |
| LMArena Russian | 1407 | 1092 |
| LMArena Spanish | 1377 | — |
Instruction Following GPT-6 Sol leads
GPT-6 Sol: 74.4 (#97), Granite 3.1 8b Instruct: 58.9 (#254)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Instruction Following | 1406 | 1131 |
Long Context GPT-6 Sol leads
GPT-6 Sol: 43.2 (#100), Granite 3.1 8b Instruct: 35.2 (#236)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Longer Query | 1415 | 1162 |
Writing & Preference GPT-6 Sol leads
GPT-6 Sol: 72.3 (#15), Granite 3.1 8b Instruct: 35.7 (#261)
| Benchmark | GPT-6 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Text | 1396 | 1150 |
| LMArena Creative Writing | 1392 | 1129 |
| LMArena Multi-Turn | 1405 | 1108 |
| EQ-Bench Creative Writing | 2125 | — |
Frequently asked questions
Is GPT-6 Sol better than Granite 3.1 8b Instruct?
GPT-6 Sol is the stronger model overall, scoring 49.2 to 31.8 on the Noometry Index.
Is GPT-6 Sol or Granite 3.1 8b Instruct better for coding?
GPT-6 Sol scores higher on coding benchmarks: 59.6 versus 33.9 in the Noometry coding category.
How many benchmarks do GPT-6 Sol and Granite 3.1 8b Instruct share?
12 benchmarks have published results for both models. GPT-6 Sol has 22 scored results on Noometry and Granite 3.1 8b Instruct has 13.