Model comparison
Ring-2.6-1T vs Step 5 Preview
Step 5 Preview has enough public results to be ranked (#58); Ring-2.6-1T does not yet, so treat this comparison as directional.
Last verified . 2 shared benchmarks.
Ant Group (inclusionAI)
StepFunSummary
- They share 2 benchmarks with published results for both. Ring-2.6-1T scores higher in 0 categories and Step 5 Preview in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 5 Preview leads 40.0 to 26.1.
- The biggest single-benchmark swing is CritPt: 3.7% for Ring-2.6-1T and 20.9% for Step 5 Preview.
- Ring-2.6-1T has downloadable open weights; the other is API-only.
Side by side
| Ring-2.6-1T | Step 5 Preview | |
|---|---|---|
| Provider | Ant Group (inclusionAI) | StepFun |
| Noometry Index | 36.9 | 47.9 |
| Released | 2026-05-14 | 2026-09-16 |
| Weights | Open | Proprietary |
| Context window | — | 1.02M |
| Max output | — | 66K |
| Input $ / M tokens | — | $1 |
| Output $ / M tokens | — | $2.70 |
| Results tracked | 3 | 18 |
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Category by category
Coding Step 5 Preview leads
Ring-2.6-1T: 40.7, Step 5 Preview: 51.8 (#36)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| SciCode | 42.4% | 58.9% |
| LMArena WebDev | — | 1564 |
| LMArena Coding | — | 1480 |
| ALE-Bench | 432.57 | — |
Reasoning Step 5 Preview leads
Ring-2.6-1T: 26.1, Step 5 Preview: 40.0 (#57)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| CritPt | 3.7% | 20.9% |
| LMArena Hard Prompts | — | 1465 |
Math Not comparable
Ring-2.6-1T: —, Step 5 Preview: 46.1 (#72)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| ProofBench | — | 42% |
| LMArena Math | — | 1470 |
Knowledge Not comparable
Ring-2.6-1T: —, Step 5 Preview: 41.2 (#112)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| LMArena Expert | — | 1470 |
Multimodal Not comparable
Ring-2.6-1T: —, Step 5 Preview: 41.0 (#41)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| LMArena Vision | — | 1267 |
Multilingual Not comparable
Ring-2.6-1T: —, Step 5 Preview: 53.8 (#54)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| LMArena Non-English | — | 1432 |
| LMArena Chinese | — | 1519 |
| LMArena Russian | — | 1436 |
| LMArena Spanish | — | 1439 |
Instruction Following Not comparable
Ring-2.6-1T: —, Step 5 Preview: 76.0 (#50)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | — | 1444 |
Long Context Not comparable
Ring-2.6-1T: —, Step 5 Preview: 44.5 (#64)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | — | 1455 |
Writing & Preference Not comparable
Ring-2.6-1T: —, Step 5 Preview: 62.8 (#71)
| Benchmark | Ring-2.6-1T | Step 5 Preview |
|---|---|---|
| LMArena Text | — | 1442 |
| LMArena Creative Writing | — | 1410 |
| LMArena Multi-Turn | — | 1447 |
Frequently asked questions
Is Ring-2.6-1T better than Step 5 Preview?
Step 5 Preview has enough public results to be ranked (#58); Ring-2.6-1T does not yet, so treat this comparison as directional.
Is Ring-2.6-1T or Step 5 Preview better for coding?
Step 5 Preview scores higher on coding benchmarks: 51.8 versus 40.7 in the Noometry coding category.
How many benchmarks do Ring-2.6-1T and Step 5 Preview share?
2 benchmarks have published results for both models. Ring-2.6-1T has 3 scored results on Noometry and Step 5 Preview has 18.