Model comparison
Hy4 preview vs Inkling-Small
Inkling-Small is the stronger model overall, scoring 46.5 to 45.3 on the Noometry Index.
Last verified . 2 shared benchmarks.
TencentSummary
- They share 2 benchmarks with published results for both. Hy4 preview scores higher in 2 categories and Inkling-Small in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Hy4 preview leads 55.7 to 45.1.
- The biggest single-benchmark swing is ProofBench: 75% for Hy4 preview and 6% for Inkling-Small.
- Inkling-Small is cheaper at $0.45 / $1.20 per million input/output tokens, against $0.75 / $2.25 for Hy4 preview.
- Hy4 preview accepts more context: 1.05M tokens versus 524K.
Side by side
| Hy4 preview | Inkling-Small | |
|---|---|---|
| Provider | Tencent | Thinking Machines Lab |
| Noometry Index | 45.3 | 46.5 |
| Released | 2026-08-28 | 2026-07-15 |
| Weights | Open | Open |
| Context window | 1.05M | 524K |
| Max output | 64K | 1.05M |
| Input $ / M tokens | $0.75 | $0.45 |
| Output $ / M tokens | $2.25 | $1.20 |
| Results tracked | 3 | 33 |
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Category by category
Coding Hy4 preview leads
Hy4 preview: 51.6 (#38), Inkling-Small: 43.6 (#85)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| LMArena WebDev | 1632 | 1409 |
| SciCode | — | 48.7% |
| LMArena Coding | — | 1451 |
Reasoning Inkling-Small leads
Hy4 preview: 31.9 (#79), Inkling-Small: 38.6 (#63)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| ARC-AGI-2 | — | 40.1% |
| NYT Connections (extended) | 68.2% | — |
| ARC-AGI-1 | — | 84% |
| CritPt | — | 8.3% |
| Chess Puzzles | — | 18% |
| LMArena Hard Prompts | — | 1423 |
| Mystery Game Puzzles | — | 6% |
| Epoch Capabilities Index | — | 150.15 |
Math Hy4 preview leads
Hy4 preview: 55.7 (#42), Inkling-Small: 45.1 (#77)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| ProofBench | 75% | 6% |
| FrontierMath (Tiers 1-3) | — | 46.3% |
| FrontierMath Tier 4 | — | 17.1% |
| OTIS Mock AIME 2024-2025 | — | 90% |
| LMArena Math | — | 1459 |
Knowledge Not comparable
Hy4 preview: —, Inkling-Small: 48.2 (#77)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| GPQA Diamond | — | 88.5% |
| SimpleQA Verified | — | 19.1% |
| LMArena Expert | — | 1442 |
Multimodal Not comparable
Hy4 preview: —, Inkling-Small: 39.1 (#62)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| LMArena Vision | — | 1235 |
Multilingual Not comparable
Hy4 preview: —, Inkling-Small: 51.7 (#104)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| LMArena Non-English | — | 1402 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1436 |
| LMArena German | — | 1405 |
| LMArena Japanese | — | 1405 |
| LMArena Korean | — | 1363 |
| LMArena Russian | — | 1391 |
| LMArena Spanish | — | 1428 |
Instruction Following Not comparable
Hy4 preview: —, Inkling-Small: 73.8 (#114)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| LMArena Instruction Following | — | 1399 |
Long Context Not comparable
Hy4 preview: —, Inkling-Small: 42.7 (#118)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| LMArena Longer Query | — | 1401 |
Writing & Preference Not comparable
Hy4 preview: —, Inkling-Small: 59.6 (#107)
| Benchmark | Hy4 preview | Inkling-Small |
|---|---|---|
| LMArena Text | — | 1414 |
| LMArena Creative Writing | — | 1331 |
| EQ-Bench Creative Writing | — | 1491 |
| LMArena Multi-Turn | — | 1418 |
Frequently asked questions
Is Hy4 preview better than Inkling-Small?
Inkling-Small is the stronger model overall, scoring 46.5 to 45.3 on the Noometry Index.
Which is cheaper, Hy4 preview or Inkling-Small?
Inkling-Small is cheaper. It lists at $0.45 per million input tokens and $1.20 per million output tokens; Hy4 preview lists at $0.75 and $2.25.
Is Hy4 preview or Inkling-Small better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 43.6 in the Noometry coding category.
Which has the bigger context window?
Hy4 preview does, with 1.05M tokens against 524K.
How many benchmarks do Hy4 preview and Inkling-Small share?
2 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Inkling-Small has 33.