Model comparison
GPT-6.1 Sol vs Granite 3.1 8b Instruct
Granite 3.1 8b Instruct has enough public results to be ranked (#256); GPT-6.1 Sol does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in coding, where GPT-6.1 Sol leads 51.4 to 33.9.
- Granite 3.1 8b Instruct has downloadable open weights; the other is API-only.
Side by side
| GPT-6.1 Sol | Granite 3.1 8b Instruct | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 42.1 | 31.8 |
| Released | 2026-09-29 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 128K | — |
| Input $ / M tokens | $2 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 2 | 13 |
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Category by category
Coding GPT-6.1 Sol leads
GPT-6.1 Sol: 51.4, Granite 3.1 8b Instruct: 33.9 (#232)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| DeepSWE | 75.2% | — |
| LMArena Coding | — | 1186 |
Agentic & Tool Use GPT-6.1 Sol leads
GPT-6.1 Sol: 34.3, Granite 3.1 8b Instruct: 23.9 (#113)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.1% |
| GDP.pdf | 32% | — |
Reasoning Not comparable
GPT-6.1 Sol: —, Granite 3.1 8b Instruct: 21.2 (#204)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Hard Prompts | — | 1146 |
Math Not comparable
GPT-6.1 Sol: —, Granite 3.1 8b Instruct: 30.4 (#210)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Math | — | 1152 |
Knowledge Not comparable
GPT-6.1 Sol: —, Granite 3.1 8b Instruct: 30.6 (#218)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Expert | — | 1142 |
Multilingual Not comparable
GPT-6.1 Sol: —, Granite 3.1 8b Instruct: 31.1 (#255)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Non-English | — | 1099 |
| LMArena Chinese | — | 1145 |
| LMArena Russian | — | 1092 |
Instruction Following Not comparable
GPT-6.1 Sol: —, Granite 3.1 8b Instruct: 58.9 (#254)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Instruction Following | — | 1131 |
Long Context Not comparable
GPT-6.1 Sol: —, Granite 3.1 8b Instruct: 35.2 (#236)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Longer Query | — | 1162 |
Writing & Preference Not comparable
GPT-6.1 Sol: —, Granite 3.1 8b Instruct: 35.7 (#261)
| Benchmark | GPT-6.1 Sol | Granite 3.1 8b Instruct |
|---|---|---|
| LMArena Text | — | 1150 |
| LMArena Creative Writing | — | 1129 |
| LMArena Multi-Turn | — | 1108 |
Frequently asked questions
Is GPT-6.1 Sol better than Granite 3.1 8b Instruct?
Granite 3.1 8b Instruct has enough public results to be ranked (#256); GPT-6.1 Sol does not yet, so treat this comparison as directional.
Is GPT-6.1 Sol or Granite 3.1 8b Instruct better for coding?
GPT-6.1 Sol scores higher on coding benchmarks: 51.4 versus 33.9 in the Noometry coding category.
How many benchmarks do GPT-6.1 Sol and Granite 3.1 8b Instruct share?
0 benchmarks have published results for both models. GPT-6.1 Sol has 2 scored results on Noometry and Granite 3.1 8b Instruct has 13.