Model comparison
GPT-5.1-Codex vs Hunyuan Vision 1.5
Hunyuan Vision 1.5 is the stronger model overall, scoring 43.1 to 38.6 on the Noometry Index.
Last verified . 0 shared benchmarks.
TencentSide by side
| GPT-5.1-Codex | Hunyuan Vision 1.5 | |
|---|---|---|
| Provider | OpenAI | Tencent |
| Noometry Index | 38.6 | 43.1 |
| Released | 2025-11-12 | — |
| Weights | Proprietary | Proprietary |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 6 | 9 |
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Category by category
Coding Too close to call
GPT-5.1-Codex: 41.9 (#116), Hunyuan Vision 1.5: 41.8 (#119)
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| SWE-bench Verified (bash only) | 66% | — |
| LMArena WebDev | 1337 | — |
| LMArena Coding | — | 1418 |
| ALE-Bench | 1,245 | — |
Agentic & Tool Use Not comparable
GPT-5.1-Codex: 38.0 (#33), Hunyuan Vision 1.5: —
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| Terminal-Bench | 60.4% | — |
| METR Time Horizons | 70.8% | — |
Reasoning Not comparable
GPT-5.1-Codex: —, Hunyuan Vision 1.5: 28.9 (#97)
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| LMArena Hard Prompts | — | 1416 |
Math Not comparable
GPT-5.1-Codex: 30.3 (#235), Hunyuan Vision 1.5: —
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| ProofBench | 9% | — |
Multimodal Not comparable
GPT-5.1-Codex: —, Hunyuan Vision 1.5: 35.7 (#84)
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| LMArena Vision | — | 1180 |
Multilingual Not comparable
GPT-5.1-Codex: —, Hunyuan Vision 1.5: 50.3 (#125)
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| LMArena Non-English | — | 1382 |
Instruction Following Not comparable
GPT-5.1-Codex: —, Hunyuan Vision 1.5: 73.7 (#117)
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| LMArena Instruction Following | — | 1397 |
Long Context Not comparable
GPT-5.1-Codex: —, Hunyuan Vision 1.5: 42.9 (#115)
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| LMArena Longer Query | — | 1404 |
Writing & Preference Not comparable
GPT-5.1-Codex: —, Hunyuan Vision 1.5: 60.1 (#100)
| Benchmark | GPT-5.1-Codex | Hunyuan Vision 1.5 |
|---|---|---|
| LMArena Text | — | 1405 |
| LMArena Creative Writing | — | 1388 |
| LMArena Multi-Turn | — | 1422 |
Frequently asked questions
Is GPT-5.1-Codex better than Hunyuan Vision 1.5?
Hunyuan Vision 1.5 is the stronger model overall, scoring 43.1 to 38.6 on the Noometry Index.
Is GPT-5.1-Codex or Hunyuan Vision 1.5 better for coding?
They score almost the same on coding (41.9 vs 41.8); test both on your own repository before choosing.
How many benchmarks do GPT-5.1-Codex and Hunyuan Vision 1.5 share?
0 benchmarks have published results for both models. GPT-5.1-Codex has 6 scored results on Noometry and Hunyuan Vision 1.5 has 9.