Model comparison
GPT-5.2 Codex vs Wizardlm 13b
GPT-5.2 Codex is the stronger model overall, scoring 42.6 to 31.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- The widest gap is in coding, where GPT-5.2 Codex leads 45.5 to 30.1.
- Wizardlm 13b has downloadable open weights; the other is API-only.
Side by side
| GPT-5.2 Codex | Wizardlm 13b | |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 42.6 | 31.4 |
| Released | 2025-12-18 | — |
| Weights | Proprietary | Open |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $1.75 | — |
| Output $ / M tokens | $14 | — |
| Results tracked | 5 | 10 |
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Category by category
Coding GPT-5.2 Codex leads
GPT-5.2 Codex: 45.5 (#71), Wizardlm 13b: 30.1 (#298)
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| SWE-bench Verified (bash only) | 72.8% | — |
| LMArena WebDev | 1339 | — |
| SWE-bench Multilingual | 66.3% | — |
| LMArena Coding | — | 1035 |
| ALE-Bench | 1,300 | — |
Agentic & Tool Use Not comparable
GPT-5.2 Codex: 41.0 (#22), Wizardlm 13b: —
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| Terminal-Bench | 66.5% | — |
Reasoning Not comparable
GPT-5.2 Codex: —, Wizardlm 13b: 19.4 (#259)
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| LMArena Hard Prompts | — | 1018 |
Math Not comparable
GPT-5.2 Codex: —, Wizardlm 13b: 30.2 (#238)
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| LMArena Math | — | 1017 |
Multilingual Not comparable
GPT-5.2 Codex: —, Wizardlm 13b: 27.1 (#277)
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| LMArena Non-English | — | 1034 |
| LMArena Chinese | — | 1023 |
Instruction Following Not comparable
GPT-5.2 Codex: —, Wizardlm 13b: 53.5 (#285)
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| LMArena Instruction Following | — | 1048 |
Long Context Not comparable
GPT-5.2 Codex: —, Wizardlm 13b: 32.0 (#273)
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| LMArena Longer Query | — | 1054 |
Writing & Preference Not comparable
GPT-5.2 Codex: —, Wizardlm 13b: 30.5 (#287)
| Benchmark | GPT-5.2 Codex | Wizardlm 13b |
|---|---|---|
| LMArena Text | — | 1077 |
| LMArena Creative Writing | — | 1091 |
| LMArena Multi-Turn | — | 1047 |
Frequently asked questions
Is GPT-5.2 Codex better than Wizardlm 13b?
GPT-5.2 Codex is the stronger model overall, scoring 42.6 to 31.4 on the Noometry Index.
Is GPT-5.2 Codex or Wizardlm 13b better for coding?
GPT-5.2 Codex scores higher on coding benchmarks: 45.5 versus 30.1 in the Noometry coding category.
How many benchmarks do GPT-5.2 Codex and Wizardlm 13b share?
0 benchmarks have published results for both models. GPT-5.2 Codex has 5 scored results on Noometry and Wizardlm 13b has 10.