Model comparison
GPT-5.1-Codex vs Phi 3 Mini 4k Instruct June 2024
GPT-5.1-Codex is the stronger model overall, scoring 38.6 to 31.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- The widest gap is in coding, where GPT-5.1-Codex leads 41.9 to 31.8.
- Phi 3 Mini 4k Instruct June 2024 has downloadable open weights; the other is API-only.
Side by side
| GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 | |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 38.6 | 31.3 |
| Released | 2025-11-12 | — |
| Weights | Proprietary | Open |
| Context window | 400K | — |
| Max output | 128K | — |
| Input $ / M tokens | $1.25 | — |
| Output $ / M tokens | $10 | — |
| Results tracked | 6 | 15 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5.1-Codex leads
GPT-5.1-Codex: 41.9 (#116), Phi 3 Mini 4k Instruct June 2024: 31.8 (#279)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| SWE-bench Verified (bash only) | 66% | — |
| LMArena WebDev | 1337 | — |
| LMArena Coding | — | 1093 |
| ALE-Bench | 1,245 | — |
Agentic & Tool Use Not comparable
GPT-5.1-Codex: 38.0 (#33), Phi 3 Mini 4k Instruct June 2024: —
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| Terminal-Bench | 60.4% | — |
| METR Time Horizons | 70.8% | — |
Reasoning Not comparable
GPT-5.1-Codex: —, Phi 3 Mini 4k Instruct June 2024: 20.8 (#231)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Hard Prompts | — | 1087 |
Math Phi 3 Mini 4k Instruct June 2024 leads
GPT-5.1-Codex: 30.3 (#235), Phi 3 Mini 4k Instruct June 2024: 33.0 (#208)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| ProofBench | 9% | — |
| LMArena Math | — | 1152 |
Knowledge Not comparable
GPT-5.1-Codex: —, Phi 3 Mini 4k Instruct June 2024: 28.6 (#244)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Expert | — | 1051 |
Multilingual Not comparable
GPT-5.1-Codex: —, Phi 3 Mini 4k Instruct June 2024: 25.9 (#282)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Non-English | — | 1013 |
| LMArena Chinese | — | 1033 |
| LMArena German | — | 1031 |
| LMArena Japanese | — | 954 |
| LMArena Korean | — | 880 |
| LMArena Russian | — | 1019 |
Instruction Following Not comparable
GPT-5.1-Codex: —, Phi 3 Mini 4k Instruct June 2024: 54.1 (#282)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Instruction Following | — | 1058 |
Long Context Not comparable
GPT-5.1-Codex: —, Phi 3 Mini 4k Instruct June 2024: 31.7 (#277)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Longer Query | — | 1042 |
Writing & Preference Not comparable
GPT-5.1-Codex: —, Phi 3 Mini 4k Instruct June 2024: 29.6 (#294)
| Benchmark | GPT-5.1-Codex | Phi 3 Mini 4k Instruct June 2024 |
|---|---|---|
| LMArena Text | — | 1080 |
| LMArena Creative Writing | — | 1045 |
| LMArena Multi-Turn | — | 1049 |
Frequently asked questions
Is GPT-5.1-Codex better than Phi 3 Mini 4k Instruct June 2024?
GPT-5.1-Codex is the stronger model overall, scoring 38.6 to 31.3 on the Noometry Index.
Is GPT-5.1-Codex or Phi 3 Mini 4k Instruct June 2024 better for coding?
GPT-5.1-Codex scores higher on coding benchmarks: 41.9 versus 31.8 in the Noometry coding category.
How many benchmarks do GPT-5.1-Codex and Phi 3 Mini 4k Instruct June 2024 share?
0 benchmarks have published results for both models. GPT-5.1-Codex has 6 scored results on Noometry and Phi 3 Mini 4k Instruct June 2024 has 15.