Model comparison
GPT-5 Mini vs Granite 4.0 Micro
GPT-5 Mini is the stronger model overall, scoring 41.8 to 29.0 on the Noometry Index. Granite 4.0 Micro costs 17× less per token, which makes it the better buy when GPT-5 Mini's lead doesn't matter for your workload.
Last verified . 8 shared benchmarks.
Summary
- They share 8 benchmarks with published results for both. GPT-5 Mini scores higher in 5 categories and Granite 4.0 Micro in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Mini leads 45.6 to 9.9.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 86.7% for GPT-5 Mini and 2.8% for Granite 4.0 Micro.
- Granite 4.0 Micro is cheaper at $0.017 / $0.11 per million input/output tokens, against $0.25 / $2 for GPT-5 Mini.
- GPT-5 Mini accepts more context: 400K tokens versus 131K.
- Granite 4.0 Micro has downloadable open weights; the other is API-only.
Side by side
| GPT-5 Mini | Granite 4.0 Micro | |
|---|---|---|
| Provider | OpenAI | IBM |
| Noometry Index | 41.8 | 29.0 |
| Released | 2025-08-07 | 2025-10-02 |
| Weights | Proprietary | Open |
| Context window | 400K | 131K |
| Max output | 128K | 118K |
| Input $ / M tokens | $0.25 | $0.017 |
| Output $ / M tokens | $2 | $0.11 |
| Results tracked | 60 | 8 |
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Category by category
Coding Not comparable
GPT-5 Mini: 40.1 (#146), Granite 4.0 Micro: —
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| SWE-bench Verified | 64.7% | — |
| SWE-bench Verified (bash only) | 59.8% | — |
| SWE-bench Multilingual | 39.7% | — |
| SciCode | 39.2% | — |
| WeirdML | 52.7% | — |
| LMArena Coding | 1406 | — |
| ALE-Bench | 799.77 | — |
| AlgoTune | 1.38 | — |
Agentic & Tool Use Not comparable
GPT-5 Mini: 31.1 (#70), Granite 4.0 Micro: —
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| Terminal-Bench | 34.8% | — |
| Berkeley Function Calling Leaderboard | 55.5% | — |
| Vending-Bench 2 | -31.18 | — |
Reasoning GPT-5 Mini leads
GPT-5 Mini: 23.9 (#168), Granite 4.0 Micro: 19.2 (#265)
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| Chess Puzzles | 30% | 0% |
| ARC-AGI-2 | 4.4% | — |
| Kagi LLM Benchmark | 70.3% | — |
| ARC-AGI-1 | 54.3% | — |
| CritPt | 0% | — |
| EnigmaEval | 8.2% | — |
| LMArena Hard Prompts | 1380 | — |
| Mystery Game Puzzles | 10% | — |
| DTBench | 80.5% | — |
| LMCA | 34.2% | — |
| Epoch Capabilities Index | 145.52 | — |
| ForecastBench | 61 | — |
Math GPT-5 Mini leads
GPT-5 Mini: 46.7 (#69), Granite 4.0 Micro: 12.0 (#307)
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 86.7% | 2.8% |
| Omni-MATH | 72.2% | 20.9% |
| FrontierMath (Tiers 1-3) | 46.7% | — |
| FrontierMath Tier 4 | 12.2% | — |
| ProofBench | 9% | — |
| LMArena Math | 1378 | — |
| MATH Level 5 | 97.8% | — |
| FrontierMath (Feb 2025 set) | 27.2% | — |
| FrontierMath Tier 4 (v1) | 6.3% | — |
Knowledge GPT-5 Mini leads
GPT-5 Mini: 45.6 (#86), Granite 4.0 Micro: 9.9 (#304)
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| GPQA Diamond | 75% | 28.3% |
| MMLU-Pro | 83.5% | 39.5% |
| GPQA (HELM) | 75.6% | 30.7% |
| Humanity's Last Exam | 19.4% | — |
| SimpleQA Verified | 21.6% | — |
| Confabulations | 13.3% | — |
| Vectara Hallucination Rate | 12.9% | — |
| LMArena Expert | 1379 | — |
Multimodal Not comparable
GPT-5 Mini: 35.6 (#85), Granite 4.0 Micro: —
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| LMArena Vision | 1202 | — |
| VPCT | 40.2% | — |
Multilingual Not comparable
GPT-5 Mini: 48.9 (#137), Granite 4.0 Micro: —
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| LMArena Non-English | 1363 | — |
| LMArena Chinese | 1385 | — |
| LMArena French | 1386 | — |
| LMArena German | 1366 | — |
| LMArena Japanese | 1341 | — |
| LMArena Korean | 1308 | — |
| LMArena Russian | 1362 | — |
| LMArena Spanish | 1355 | — |
Instruction Following GPT-5 Mini leads
GPT-5 Mini: 76.2 (#46), Granite 4.0 Micro: 69.9 (#169)
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| IFEval | 92.7% | 84.9% |
| LMArena Instruction Following | 1357 | — |
Long Context Not comparable
GPT-5 Mini: 41.9 (#132), Granite 4.0 Micro: —
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| Fiction.LiveBench | 69.4% | — |
| LMArena Longer Query | 1355 | — |
Writing & Preference GPT-5 Mini leads
GPT-5 Mini: 55.2 (#148), Granite 4.0 Micro: 46.7 (#216)
| Benchmark | GPT-5 Mini | Granite 4.0 Micro |
|---|---|---|
| WildBench | 85.5% | 67% |
| LMArena Text | 1373 | — |
| LMArena Creative Writing | 1325 | — |
| Short-Story Creative Writing | 83.1% | — |
| EQ-Bench Creative Writing | 1313 | — |
| LMArena Multi-Turn | 1363 | — |
Frequently asked questions
Is GPT-5 Mini better than Granite 4.0 Micro?
GPT-5 Mini is the stronger model overall, scoring 41.8 to 29.0 on the Noometry Index. Granite 4.0 Micro costs 17× less per token, which makes it the better buy when GPT-5 Mini's lead doesn't matter for your workload.
Which is cheaper, GPT-5 Mini or Granite 4.0 Micro?
Granite 4.0 Micro is cheaper. It lists at $0.017 per million input tokens and $0.11 per million output tokens; GPT-5 Mini lists at $0.25 and $2.
Which has the bigger context window?
GPT-5 Mini does, with 400K tokens against 131K.
How many benchmarks do GPT-5 Mini and Granite 4.0 Micro share?
8 benchmarks have published results for both models. GPT-5 Mini has 60 scored results on Noometry and Granite 4.0 Micro has 8.