Model comparison
Chatgpt 4o Latest 20250326 vs Inkling
Chatgpt 4o Latest 20250326 and Inkling score almost the same on the Noometry Index (43.8 vs 44.1), so choose on price, context window or the category you care about most.
Last verified . 18 shared benchmarks.
Summary
- They share 18 benchmarks with published results for both. Chatgpt 4o Latest 20250326 scores higher in 2 categories and Inkling in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Inkling leads 55.1 to 39.2.
- Inkling has downloadable open weights; the other is API-only.
Side by side
| Chatgpt 4o Latest 20250326 | Inkling | |
|---|---|---|
| Provider | OpenAI | Thinking Machines Lab |
| Noometry Index | 43.8 | 44.1 |
| Released | — | 2026-07-15 |
| Weights | Proprietary | Open |
| Context window | — | 66K |
| Max output | — | 66K |
| Input $ / M tokens | — | $1.87 |
| Output $ / M tokens | — | $4.68 |
| Results tracked | 21 | 41 |
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Category by category
Coding Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 41.6 (#122), Inkling: 34.5 (#234)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Coding | 1413 | 1464 |
| FrontierCode | — | 14% |
| LMArena WebDev | — | 1413 |
| FrontierSWE | — | 4.1% |
| SciCode | — | 47% |
| WeirdML | — | 32.3% |
| ALE-Bench | — | 946 |
Agentic & Tool Use Not comparable
Chatgpt 4o Latest 20250326: —, Inkling: 29.6 (#85)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
Reasoning Inkling leads
Chatgpt 4o Latest 20250326: 33.8 (#71), Inkling: 40.4 (#56)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Hard Prompts | 1424 | 1451 |
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| Kagi LLM Benchmark | 75% | — |
| ARC-AGI-1 | — | 79.5% |
| CritPt | — | 5.4% |
| Chess Puzzles | — | 21% |
| DTBench | — | 87.5% |
| LMCA | — | 37.6% |
| Epoch Capabilities Index | — | 148.54 |
Math Chatgpt 4o Latest 20250326 leads
Chatgpt 4o Latest 20250326: 38.6 (#134), Inkling: 31.3 (#225)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Math | 1407 | 1479 |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 0% |
Knowledge Inkling leads
Chatgpt 4o Latest 20250326: 39.2 (#137), Inkling: 55.1 (#49)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Expert | 1401 | 1465 |
| GPQA Diamond | — | 88.3% |
| SimpleQA Verified | — | 40.3% |
| Confabulations | 16.6% | — |
Multimodal Not comparable
Chatgpt 4o Latest 20250326: 39.6 (#58), Inkling: —
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Vision | 1243 | — |
Multilingual Inkling leads
Chatgpt 4o Latest 20250326: 52.9 (#76), Inkling: 54.0 (#52)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Non-English | 1419 | 1434 |
| LMArena Chinese | 1457 | 1490 |
| LMArena French | 1446 | 1458 |
| LMArena German | 1423 | 1446 |
| LMArena Japanese | 1405 | 1429 |
| LMArena Korean | 1396 | 1404 |
| LMArena Russian | 1429 | 1429 |
| LMArena Spanish | 1434 | 1448 |
Instruction Following Inkling leads
Chatgpt 4o Latest 20250326: 74.0 (#107), Inkling: 75.1 (#71)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Instruction Following | 1403 | 1426 |
Long Context Too close to call
Chatgpt 4o Latest 20250326: 43.1 (#107), Inkling: 43.8 (#86)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Longer Query | 1413 | 1434 |
Writing & Preference Inkling leads
Chatgpt 4o Latest 20250326: 62.6 (#72), Inkling: 65.2 (#51)
| Benchmark | Chatgpt 4o Latest 20250326 | Inkling |
|---|---|---|
| LMArena Text | 1429 | 1441 |
| LMArena Creative Writing | 1405 | 1387 |
| EQ-Bench Creative Writing | 1501 | 1611 |
| LMArena Multi-Turn | 1454 | 1436 |
| EQ-Bench 4 | — | 1226 |
Frequently asked questions
Is Chatgpt 4o Latest 20250326 better than Inkling?
Chatgpt 4o Latest 20250326 and Inkling score almost the same on the Noometry Index (43.8 vs 44.1), so choose on price, context window or the category you care about most.
Is Chatgpt 4o Latest 20250326 or Inkling better for coding?
Chatgpt 4o Latest 20250326 scores higher on coding benchmarks: 41.6 versus 34.5 in the Noometry coding category.
How many benchmarks do Chatgpt 4o Latest 20250326 and Inkling share?
18 benchmarks have published results for both models. Chatgpt 4o Latest 20250326 has 21 scored results on Noometry and Inkling has 41.