Model comparison
Claude 1.3 vs GPT-6.1 Sol
GPT-6.1 Sol has enough public results to be ranked (#6); Claude 1.3 does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Side by side
| Claude 1.3 | GPT-6.1 Sol | |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Noometry Index | — | 65.6 |
| Released | 2023-04-18 | 2026-09-29 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $2 |
| Output $ / M tokens | — | $10 |
| Results tracked | 2 | 34 |
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Category by category
Coding Not comparable
Claude 1.3: —, GPT-6.1 Sol: 63.2 (#8)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| DeepSWE | — | 75.2% |
| FrontierCode | — | 50.2% |
| LMArena WebDev | — | 1755 |
| SciCode | — | 55.8% |
| LMArena Coding | — | 1487 |
Agentic & Tool Use Not comparable
Claude 1.3: —, GPT-6.1 Sol: 39.6 (#26)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| APEX-Agents | — | 60% |
| GDP.pdf | — | 32% |
Reasoning Not comparable
Claude 1.3: —, GPT-6.1 Sol: 81.9 (#2)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| 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 |
Math Not comparable
Claude 1.3: —, GPT-6.1 Sol: 93.7 (#1)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 93.7% |
| FrontierMath Tier 4 | — | 100% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| ProofBench | — | 99% |
| LMArena Math | — | 1464 |
Knowledge Not comparable
Claude 1.3: —, GPT-6.1 Sol: 71.8 (#4)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| GPQA Diamond | — | 95.4% |
| SimpleQA Verified | — | 73.9% |
| LMArena Expert | — | 1502 |
| MMLU | 77% | — |
| TriviaQA | 86.7% | — |
Multimodal Not comparable
Claude 1.3: —, GPT-6.1 Sol: 52.7 (#5)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| LMArena Vision | — | 1288 |
| Furniture Assembly | — | 80% |
Multilingual Not comparable
Claude 1.3: —, GPT-6.1 Sol: 54.3 (#46)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| LMArena Non-English | — | 1438 |
| LMArena Chinese | — | 1477 |
| LMArena Russian | — | 1455 |
Instruction Following Not comparable
Claude 1.3: —, GPT-6.1 Sol: 77.0 (#29)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| LMArena Instruction Following | — | 1468 |
Long Context Not comparable
Claude 1.3: —, GPT-6.1 Sol: 44.9 (#54)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| LMArena Longer Query | — | 1465 |
Writing & Preference Not comparable
Claude 1.3: —, GPT-6.1 Sol: 63.6 (#63)
| Benchmark | Claude 1.3 | GPT-6.1 Sol |
|---|---|---|
| LMArena Text | — | 1447 |
| LMArena Creative Writing | — | 1432 |
| LMArena Multi-Turn | — | 1449 |
Frequently asked questions
Is Claude 1.3 better than GPT-6.1 Sol?
GPT-6.1 Sol has enough public results to be ranked (#6); Claude 1.3 does not yet, so treat this comparison as directional.
How many benchmarks do Claude 1.3 and GPT-6.1 Sol share?
0 benchmarks have published results for both models. Claude 1.3 has 2 scored results on Noometry and GPT-6.1 Sol has 34.