Model comparison
Hy4 preview vs Inkling
Hy4 preview is the stronger model overall, scoring 45.3 to 44.1 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 in 1 category; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Hy4 preview leads 55.7 to 31.3.
- The biggest single-benchmark swing is ProofBench: 75% for Hy4 preview and 0% for Inkling.
- Hy4 preview is cheaper at $0.75 / $2.25 per million input/output tokens, against $1.87 / $4.68 for Inkling.
- Hy4 preview accepts more context: 1.05M tokens versus 66K.
Side by side
| Hy4 preview | Inkling | |
|---|---|---|
| Provider | Tencent | Thinking Machines Lab |
| Noometry Index | 45.3 | 44.1 |
| Released | 2026-08-28 | 2026-07-15 |
| Weights | Open | Open |
| Context window | 1.05M | 66K |
| Max output | 64K | 66K |
| Input $ / M tokens | $0.75 | $1.87 |
| Output $ / M tokens | $2.25 | $4.68 |
| Results tracked | 3 | 41 |
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Category by category
Coding Hy4 preview leads
Hy4 preview: 51.6 (#38), Inkling: 34.5 (#234)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| LMArena WebDev | 1632 | 1413 |
| FrontierCode | — | 14% |
| FrontierSWE | — | 4.1% |
| SciCode | — | 47% |
| WeirdML | — | 32.3% |
| LMArena Coding | — | 1464 |
| ALE-Bench | — | 946 |
Agentic & Tool Use Not comparable
Hy4 preview: —, Inkling: 29.6 (#85)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| APEX-Agents | — | 33.8% |
| τ²-bench Banking | — | 25% |
Reasoning Inkling leads
Hy4 preview: 31.9 (#79), Inkling: 40.4 (#56)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| ARC-AGI-2 | — | 36.5% |
| SimpleBench | — | 50% |
| NYT Connections (extended) | 68.2% | — |
| ARC-AGI-1 | — | 79.5% |
| CritPt | — | 5.4% |
| Chess Puzzles | — | 21% |
| LMArena Hard Prompts | — | 1451 |
| DTBench | — | 87.5% |
| LMCA | — | 37.6% |
| Epoch Capabilities Index | — | 148.54 |
Math Hy4 preview leads
Hy4 preview: 55.7 (#42), Inkling: 31.3 (#225)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| ProofBench | 75% | 0% |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| FrontierMath Tier 4 | — | 4.9% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| LMArena Math | — | 1479 |
Knowledge Not comparable
Hy4 preview: —, Inkling: 55.1 (#49)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| GPQA Diamond | — | 88.3% |
| SimpleQA Verified | — | 40.3% |
| LMArena Expert | — | 1465 |
Multilingual Not comparable
Hy4 preview: —, Inkling: 54.0 (#52)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| LMArena Non-English | — | 1434 |
| LMArena Chinese | — | 1490 |
| LMArena French | — | 1458 |
| LMArena German | — | 1446 |
| LMArena Japanese | — | 1429 |
| LMArena Korean | — | 1404 |
| LMArena Russian | — | 1429 |
| LMArena Spanish | — | 1448 |
Instruction Following Not comparable
Hy4 preview: —, Inkling: 75.1 (#71)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| LMArena Instruction Following | — | 1426 |
Long Context Not comparable
Hy4 preview: —, Inkling: 43.8 (#86)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| LMArena Longer Query | — | 1434 |
Writing & Preference Not comparable
Hy4 preview: —, Inkling: 65.2 (#51)
| Benchmark | Hy4 preview | Inkling |
|---|---|---|
| LMArena Text | — | 1441 |
| LMArena Creative Writing | — | 1387 |
| EQ-Bench Creative Writing | — | 1611 |
| EQ-Bench 4 | — | 1226 |
| LMArena Multi-Turn | — | 1436 |
Frequently asked questions
Is Hy4 preview better than Inkling?
Hy4 preview is the stronger model overall, scoring 45.3 to 44.1 on the Noometry Index.
Which is cheaper, Hy4 preview or Inkling?
Hy4 preview is cheaper. It lists at $0.75 per million input tokens and $2.25 per million output tokens; Inkling lists at $1.87 and $4.68.
Is Hy4 preview or Inkling better for coding?
Hy4 preview scores higher on coding benchmarks: 51.6 versus 34.5 in the Noometry coding category.
Which has the bigger context window?
Hy4 preview does, with 1.05M tokens against 66K.
How many benchmarks do Hy4 preview and Inkling share?
2 benchmarks have published results for both models. Hy4 preview has 3 scored results on Noometry and Inkling has 41.