Model comparison
Gemini 1.5 Flash 8B vs GPT-5.4
GPT-5.4 is the stronger model overall, scoring 59.4 to 29.9 on the Noometry Index.
Last verified . 21 shared benchmarks.
GoogleSummary
- They share 21 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 0 categories and GPT-5.4 in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-5.4 leads 73.5 to 14.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 97.8% for GPT-5.4.
Side by side
| Gemini 1.5 Flash 8B | GPT-5.4 | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 29.9 | 59.4 |
| Released | 2024-10-03 | 2026-03-05 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 128K |
| Input $ / M tokens | — | $2.50 |
| Output $ / M tokens | — | $15 |
| Results tracked | 21 | 68 |
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Category by category
Coding GPT-5.4 leads
Gemini 1.5 Flash 8B: 35.5 (#225), GPT-5.4: 52.6 (#33)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| LMArena Coding | 1218 | 1497 |
| SWE-bench Verified | — | 76.9% |
| DeepSWE | — | 51.8% |
| LMArena WebDev | — | 1465 |
| SciCode | — | 56.6% |
| GSO | — | 31.4% |
| WeirdML | — | 77.7% |
| MirrorCode | — | 15.6% |
| ALE-Bench | — | 1,607 |
| AlgoTune | — | 1.85 |
Agentic & Tool Use Not comparable
Gemini 1.5 Flash 8B: —, GPT-5.4: 46.5 (#13)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| Terminal-Bench | — | 81.8% |
| APEX-Agents | — | 52.4% |
| τ²-bench Banking | — | 39.4% |
| DeepResearch Bench | — | 35.1% |
| PostTrainBench | — | 19% |
| GBAEval | — | 45.1% |
| LMArena Search | — | 1197 |
| METR Time Horizons | — | 74.3% |
| Vending-Bench 2 | — | 6,144 |
Reasoning GPT-5.4 leads
Gemini 1.5 Flash 8B: 20.0 (#244), GPT-5.4: 61.8 (#19)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| LMArena Hard Prompts | 1209 | 1485 |
| DTBench | 50% | 94.4% |
| ARC-AGI-2 | — | 74% |
| Kagi LLM Benchmark | — | 63.8% |
| NYT Connections (extended) | — | 91.3% |
| ARC-AGI-1 | — | 93.7% |
| CritPt | — | 23.4% |
| Chess Puzzles | — | 44% |
| EnigmaEval | — | 16% |
| Thematic Generalization | — | 80% |
| EBR-Bench | — | 25.4% |
| Mystery Game Puzzles | — | 37% |
| LMCA | — | 52% |
| Epoch Capabilities Index | — | 156.81 |
| ForecastBench | — | 59.5 |
Math GPT-5.4 leads
Gemini 1.5 Flash 8B: 14.2 (#302), GPT-5.4: 73.5 (#19)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.6% | 97.8% |
| LMArena Math | 1207 | 1488 |
| FrontierMath (Tiers 1-3) | — | 78.6% |
| FrontierMath Tier 4 | — | 49% |
| MathArena Final-Answer Competitions | — | 83.1% |
| ProofBench | — | 56% |
| FrontierMath (Feb 2025 set) | — | 47.6% |
| FrontierMath Tier 4 (v1) | — | 27.1% |
Knowledge GPT-5.4 leads
Gemini 1.5 Flash 8B: 16.0 (#289), GPT-5.4: 65.3 (#14)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| GPQA Diamond | 33% | 93.3% |
| LMArena Expert | 1185 | 1507 |
| Humanity's Last Exam | — | 36.2% |
| SimpleQA Verified | — | 45.1% |
| Vectara Hallucination Rate | — | 7% |
Multimodal GPT-5.4 leads
Gemini 1.5 Flash 8B: 28.2 (#115), GPT-5.4: 43.7 (#20)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| LMArena Vision | 1044 | 1303 |
| Blueprint-Bench 2 | — | 27.1% |
| Furniture Assembly | — | 37.5% |
| LMArena Document | — | 1471 |
Multilingual GPT-5.4 leads
Gemini 1.5 Flash 8B: 38.5 (#229), GPT-5.4: 56.2 (#23)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| LMArena Non-English | 1215 | 1465 |
| LMArena Chinese | 1231 | 1519 |
| LMArena French | 1234 | 1493 |
| LMArena German | 1206 | 1472 |
| LMArena Japanese | 1150 | 1485 |
| LMArena Korean | 1140 | 1448 |
| LMArena Russian | 1236 | 1480 |
| LMArena Spanish | 1212 | 1454 |
Instruction Following GPT-5.4 leads
Gemini 1.5 Flash 8B: 62.8 (#236), GPT-5.4: 77.1 (#27)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| LMArena Instruction Following | 1199 | 1469 |
Long Context GPT-5.4 leads
Gemini 1.5 Flash 8B: 37.0 (#225), GPT-5.4: 50.3 (#8)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| LMArena Longer Query | 1219 | 1473 |
| CL-bench | — | 27.9% |
| CL-bench Life | — | 21.7% |
Writing & Preference GPT-5.4 leads
Gemini 1.5 Flash 8B: 42.8 (#232), GPT-5.4: 71.9 (#17)
| Benchmark | Gemini 1.5 Flash 8B | GPT-5.4 |
|---|---|---|
| LMArena Text | 1226 | 1469 |
| LMArena Creative Writing | 1218 | 1439 |
| LMArena Multi-Turn | 1185 | 1482 |
| EQ-Bench Creative Writing | — | 1840 |
| EQ-Bench 4 | — | 1272 |
Frequently asked questions
Is Gemini 1.5 Flash 8B better than GPT-5.4?
GPT-5.4 is the stronger model overall, scoring 59.4 to 29.9 on the Noometry Index.
Is Gemini 1.5 Flash 8B or GPT-5.4 better for coding?
GPT-5.4 scores higher on coding benchmarks: 52.6 versus 35.5 in the Noometry coding category.
How many benchmarks do Gemini 1.5 Flash 8B and GPT-5.4 share?
21 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and GPT-5.4 has 68.