Model comparison
GPT-5.3 Codex vs MiniMax M1
GPT-5.3 Codex is the stronger model overall, scoring 45.5 to 39.7 on the Noometry Index. MiniMax M1 costs 5.7× less per token, which makes it the better buy when GPT-5.3 Codex's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
MiniMaxSummary
- The widest gap is in coding, where GPT-5.3 Codex leads 48.5 to 39.2.
- MiniMax M1 is cheaper at $0.40 / $2.20 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Codex.
- MiniMax M1 accepts more context: 1M tokens versus 400K.
- MiniMax M1 has downloadable open weights; the other is API-only.
Side by side
| GPT-5.3 Codex | MiniMax M1 | |
|---|---|---|
| Provider | OpenAI | MiniMax |
| Noometry Index | 45.5 | 39.7 |
| Released | 2026-02-05 | 2025-06-13 |
| Weights | Proprietary | Open |
| Context window | 400K | 1M |
| Max output | 128K | 40K |
| Input $ / M tokens | $1.75 | $0.40 |
| Output $ / M tokens | $14 | $2.20 |
| Results tracked | 8 | 18 |
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Category by category
Coding GPT-5.3 Codex leads
GPT-5.3 Codex: 48.5 (#51), MiniMax M1: 39.2 (#149)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| SWE-bench Verified | 74.8% | — |
| LMArena WebDev | 1408 | — |
| WeirdML | 79.3% | — |
| LMArena Coding | — | 1359 |
| ALE-Bench | 1,655 | — |
Agentic & Tool Use Not comparable
GPT-5.3 Codex: 47.8 (#9), MiniMax M1: —
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| Terminal-Bench | 78.4% | — |
| METR Time Horizons | 74.5% | — |
| Vending-Bench 2 | 5,940 | — |
Reasoning Not comparable
GPT-5.3 Codex: —, MiniMax M1: 25.8 (#125)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| LMArena Hard Prompts | — | 1340 |
| Epoch Capabilities Index | 156.84 | — |
Math Not comparable
GPT-5.3 Codex: —, MiniMax M1: 34.8 (#152)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| LMArena Math | — | 1360 |
Knowledge Not comparable
GPT-5.3 Codex: —, MiniMax M1: 35.7 (#168)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| LMArena Expert | — | 1316 |
Multilingual Not comparable
GPT-5.3 Codex: —, MiniMax M1: 46.0 (#157)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| LMArena Non-English | — | 1320 |
| LMArena Chinese | — | 1361 |
| LMArena French | — | 1369 |
| LMArena German | — | 1350 |
| LMArena Japanese | — | 1220 |
| LMArena Korean | — | 1263 |
| LMArena Russian | — | 1330 |
| LMArena Spanish | — | 1354 |
Instruction Following Not comparable
GPT-5.3 Codex: —, MiniMax M1: 69.5 (#169)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| LMArena Instruction Following | — | 1312 |
Long Context Not comparable
GPT-5.3 Codex: —, MiniMax M1: 41.4 (#136)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| Fiction.LiveBench | — | 69.4% |
| LMArena Longer Query | — | 1326 |
Writing & Preference Not comparable
GPT-5.3 Codex: —, MiniMax M1: 53.3 (#155)
| Benchmark | GPT-5.3 Codex | MiniMax M1 |
|---|---|---|
| LMArena Text | — | 1343 |
| LMArena Creative Writing | — | 1298 |
| LMArena Multi-Turn | — | 1335 |
Frequently asked questions
Is GPT-5.3 Codex better than MiniMax M1?
GPT-5.3 Codex is the stronger model overall, scoring 45.5 to 39.7 on the Noometry Index. MiniMax M1 costs 5.7× less per token, which makes it the better buy when GPT-5.3 Codex's lead doesn't matter for your workload.
Which is cheaper, GPT-5.3 Codex or MiniMax M1?
MiniMax M1 is cheaper. It lists at $0.40 per million input tokens and $2.20 per million output tokens; GPT-5.3 Codex lists at $1.75 and $14.
Is GPT-5.3 Codex or MiniMax M1 better for coding?
GPT-5.3 Codex scores higher on coding benchmarks: 48.5 versus 39.2 in the Noometry coding category.
Which has the bigger context window?
MiniMax M1 does, with 1M tokens against 400K.
How many benchmarks do GPT-5.3 Codex and MiniMax M1 share?
0 benchmarks have published results for both models. GPT-5.3 Codex has 8 scored results on Noometry and MiniMax M1 has 18.