Model comparison
Hy3 vs o3-pro
Hy3 and o3-pro score almost the same on the Noometry Index (43.6 vs 42.7), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
TencentSummary
- The widest gap is in long context, where o3-pro leads 72.1 to 44.1.
- Hy3 is cheaper at $0.13 / $0.53 per million input/output tokens, against $20 / $80 for o3-pro.
- Hy3 accepts more context: 262K tokens versus 200K.
- Hy3 has downloadable open weights; the other is API-only.
Side by side
| Hy3 | o3-pro | |
|---|---|---|
| Provider | Tencent | OpenAI |
| Noometry Index | 43.6 | 42.7 |
| Released | 2026-07-06 | 2025-06-10 |
| Weights | Open | Proprietary |
| Context window | 262K | 200K |
| Max output | 128K | 100K |
| Input $ / M tokens | $0.13 | $20 |
| Output $ / M tokens | $0.53 | $80 |
| Results tracked | 17 | 12 |
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Category by category
Coding o3-pro leads
Hy3: 46.6 (#60), o3-pro: 55.1 (#22)
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| Aider Polyglot | — | 84.9% |
| LMArena WebDev | 1509 | — |
| WeirdML | — | 58.2% |
| LMArena Coding | 1465 | — |
Reasoning Too close to call
Hy3: 25.0 (#134), o3-pro: 24.1 (#152)
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| ARC-AGI-2 | — | 4.9% |
| Kagi LLM Benchmark | — | 72.1% |
| NYT Connections (extended) | 41.2% | — |
| ARC-AGI-1 | — | 59.3% |
| LMArena Hard Prompts | 1449 | — |
| DTBench | — | 86.9% |
| LMCA | — | 38.5% |
| Epoch Capabilities Index | — | 147.43 |
Math Not comparable
Hy3: 37.4 (#98), o3-pro: —
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| LMArena Math | 1475 | — |
Knowledge Hy3 leads
Hy3: 40.2 (#108), o3-pro: 29.0 (#234)
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| Confabulations | — | 14.2% |
| Vectara Hallucination Rate | — | 23.3% |
| LMArena Expert | 1461 | — |
Multilingual Not comparable
Hy3: 53.7 (#60), o3-pro: —
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| LMArena Non-English | 1427 | — |
| LMArena Chinese | 1496 | — |
| LMArena French | 1461 | — |
| LMArena Korean | 1390 | — |
| LMArena Russian | 1435 | — |
| LMArena Spanish | 1448 | — |
Instruction Following Not comparable
Hy3: 75.3 (#68), o3-pro: —
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| LMArena Instruction Following | 1425 | — |
Long Context o3-pro leads
Hy3: 44.1 (#70), o3-pro: 72.1 (#1)
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| Fiction.LiveBench | — | 97.2% |
| LMArena Longer Query | 1443 | — |
Writing & Preference Hy3 leads
Hy3: 62.5 (#75), o3-pro: 57.1 (#128)
| Benchmark | Hy3 | o3-pro |
|---|---|---|
| LMArena Text | 1442 | — |
| LMArena Creative Writing | 1399 | — |
| Short-Story Creative Writing | — | 84.4% |
| LMArena Multi-Turn | 1436 | — |
Frequently asked questions
Is Hy3 better than o3-pro?
Hy3 and o3-pro score almost the same on the Noometry Index (43.6 vs 42.7), so choose on price, context window or the category you care about most.
Which is cheaper, Hy3 or o3-pro?
Hy3 is cheaper. It lists at $0.13 per million input tokens and $0.53 per million output tokens; o3-pro lists at $20 and $80.
Is Hy3 or o3-pro better for coding?
o3-pro scores higher on coding benchmarks: 55.1 versus 46.6 in the Noometry coding category.
Which has the bigger context window?
Hy3 does, with 262K tokens against 200K.
How many benchmarks do Hy3 and o3-pro share?
0 benchmarks have published results for both models. Hy3 has 17 scored results on Noometry and o3-pro has 12.