Model comparison
Amazon Nova Experimental Chat 10 20 vs GPT-5 Mini
Amazon Nova Experimental Chat 10 20 and GPT-5 Mini score almost the same on the Noometry Index (42.1 vs 41.8), so choose on price, context window or the category you care about most.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Experimental Chat 10 20 scores higher in 4 categories and GPT-5 Mini in 4 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5 Mini leads 46.7 to 39.0.
Side by side
| Amazon Nova Experimental Chat 10 20 | GPT-5 Mini | |
|---|---|---|
| Provider | Amazon | OpenAI |
| Noometry Index | 42.1 | 41.8 |
| Released | — | 2025-08-07 |
| Weights | Proprietary | Proprietary |
| Context window | — | 400K |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $2 |
| Results tracked | 17 | 60 |
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Category by category
Coding Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 41.6 (#123), GPT-5 Mini: 40.1 (#146)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Coding | 1412 | 1406 |
| SWE-bench Verified | — | 64.7% |
| SWE-bench Verified (bash only) | — | 59.8% |
| SWE-bench Multilingual | — | 39.7% |
| SciCode | — | 39.2% |
| WeirdML | — | 52.7% |
| ALE-Bench | — | 799.77 |
| AlgoTune | — | 1.38 |
Agentic & Tool Use Not comparable
Amazon Nova Experimental Chat 10 20: —, GPT-5 Mini: 31.1 (#70)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| Terminal-Bench | — | 34.8% |
| Berkeley Function Calling Leaderboard | — | 55.5% |
| Vending-Bench 2 | — | -31.18 |
Reasoning Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 28.4 (#106), GPT-5 Mini: 23.9 (#168)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Hard Prompts | 1396 | 1380 |
| ARC-AGI-2 | — | 4.4% |
| Kagi LLM Benchmark | — | 70.3% |
| ARC-AGI-1 | — | 54.3% |
| CritPt | — | 0% |
| Chess Puzzles | — | 30% |
| EnigmaEval | — | 8.2% |
| Mystery Game Puzzles | — | 10% |
| DTBench | — | 80.5% |
| LMCA | — | 34.2% |
| Epoch Capabilities Index | — | 145.52 |
| ForecastBench | — | 61 |
Math GPT-5 Mini leads
Amazon Nova Experimental Chat 10 20: 39.0 (#119), GPT-5 Mini: 46.7 (#69)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Math | 1425 | 1378 |
| FrontierMath (Tiers 1-3) | — | 46.7% |
| FrontierMath Tier 4 | — | 12.2% |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| ProofBench | — | 9% |
| Omni-MATH | — | 72.2% |
| MATH Level 5 | — | 97.8% |
| FrontierMath (Feb 2025 set) | — | 27.2% |
| FrontierMath Tier 4 (v1) | — | 6.3% |
Knowledge GPT-5 Mini leads
Amazon Nova Experimental Chat 10 20: 38.5 (#144), GPT-5 Mini: 45.6 (#86)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Expert | 1386 | 1379 |
| GPQA Diamond | — | 75% |
| Humanity's Last Exam | — | 19.4% |
| SimpleQA Verified | — | 21.6% |
| MMLU-Pro | — | 83.5% |
| Confabulations | — | 13.3% |
| Vectara Hallucination Rate | — | 12.9% |
| GPQA (HELM) | — | 75.6% |
Multimodal Not comparable
Amazon Nova Experimental Chat 10 20: —, GPT-5 Mini: 35.6 (#85)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Vision | — | 1202 |
| VPCT | — | 40.2% |
Multilingual Too close to call
Amazon Nova Experimental Chat 10 20: 49.5 (#131), GPT-5 Mini: 48.9 (#137)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Non-English | 1372 | 1363 |
| LMArena Chinese | 1404 | 1385 |
| LMArena French | 1425 | 1386 |
| LMArena German | 1391 | 1366 |
| LMArena Japanese | 1360 | 1341 |
| LMArena Korean | 1324 | 1308 |
| LMArena Russian | 1371 | 1362 |
| LMArena Spanish | 1382 | 1355 |
Instruction Following GPT-5 Mini leads
Amazon Nova Experimental Chat 10 20: 72.1 (#141), GPT-5 Mini: 76.2 (#46)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Instruction Following | 1365 | 1357 |
| IFEval | — | 92.7% |
Long Context Too close to call
Amazon Nova Experimental Chat 10 20: 41.7 (#133), GPT-5 Mini: 41.9 (#132)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Longer Query | 1370 | 1355 |
| Fiction.LiveBench | — | 69.4% |
Writing & Preference Amazon Nova Experimental Chat 10 20 leads
Amazon Nova Experimental Chat 10 20: 56.6 (#136), GPT-5 Mini: 55.2 (#148)
| Benchmark | Amazon Nova Experimental Chat 10 20 | GPT-5 Mini |
|---|---|---|
| LMArena Text | 1394 | 1373 |
| LMArena Creative Writing | 1318 | 1325 |
| LMArena Multi-Turn | 1364 | 1363 |
| Short-Story Creative Writing | — | 83.1% |
| EQ-Bench Creative Writing | — | 1313 |
| WildBench | — | 85.5% |
Frequently asked questions
Is Amazon Nova Experimental Chat 10 20 better than GPT-5 Mini?
Amazon Nova Experimental Chat 10 20 and GPT-5 Mini score almost the same on the Noometry Index (42.1 vs 41.8), so choose on price, context window or the category you care about most.
Is Amazon Nova Experimental Chat 10 20 or GPT-5 Mini better for coding?
Amazon Nova Experimental Chat 10 20 scores higher on coding benchmarks: 41.6 versus 40.1 in the Noometry coding category.
How many benchmarks do Amazon Nova Experimental Chat 10 20 and GPT-5 Mini share?
17 benchmarks have published results for both models. Amazon Nova Experimental Chat 10 20 has 17 scored results on Noometry and GPT-5 Mini has 60.