Model comparison
Gemini 2.5 Flash-Lite vs Granite 4.2 8B
Granite 4.2 8B is the stronger model overall, scoring 40.5 to 37.0 on the Noometry Index.
Last verified . 11 shared benchmarks.
Summary
- They share 11 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 3 categories and Granite 4.2 8B in 4 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemini 2.5 Flash-Lite leads 56.8 to 49.6.
- Granite 4.2 8B is cheaper at $0.06 / $0.25 per million input/output tokens, against $0.10 / $0.40 for Gemini 2.5 Flash-Lite.
- Gemini 2.5 Flash-Lite accepts more context: 1.05M tokens versus 131K.
- Granite 4.2 8B has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Flash-Lite | Granite 4.2 8B | |
|---|---|---|
| Provider | IBM | |
| Noometry Index | 37.0 | 40.5 |
| Released | 2025-06-17 | — |
| Weights | Proprietary | Open |
| Context window | 1.05M | 131K |
| Max output | 66K | 118K |
| Input $ / M tokens | $0.10 | $0.06 |
| Output $ / M tokens | $0.40 | $0.25 |
| Results tracked | 33 | 11 |
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Category by category
Coding Granite 4.2 8B leads
Gemini 2.5 Flash-Lite: 38.5 (#173), Granite 4.2 8B: 40.5 (#137)
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Coding | 1373 | 1380 |
| WeirdML | 35.2% | — |
| ALE-Bench | 325.9 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash-Lite: 28.0 (#96), Granite 4.2 8B: —
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |
Reasoning Granite 4.2 8B leads
Gemini 2.5 Flash-Lite: 22.2 (#205), Granite 4.2 8B: 26.6 (#131)
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Hard Prompts | 1377 | 1329 |
| Kagi LLM Benchmark | 40.5% | — |
| DTBench | 62.8% | — |
| LMCA | 18.1% | — |
| Epoch Capabilities Index | 133.94 | — |
Math Not comparable
Gemini 2.5 Flash-Lite: 38.0 (#144), Granite 4.2 8B: —
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| Omni-MATH | 48% | — |
| LMArena Math | 1373 | — |
Knowledge Granite 4.2 8B leads
Gemini 2.5 Flash-Lite: 32.5 (#210), Granite 4.2 8B: 38.4 (#145)
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Expert | 1373 | 1384 |
| MMLU-Pro | 53.7% | — |
| Vectara Hallucination Rate | 3.3% | — |
| GPQA (HELM) | 30.9% | — |
Multimodal Not comparable
Gemini 2.5 Flash-Lite: 29.1 (#114), Granite 4.2 8B: —
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Vision | 1198 | — |
| VPCT | 30% | — |
Multilingual Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 49.3 (#134), Granite 4.2 8B: 44.5 (#178)
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Non-English | 1369 | 1302 |
| LMArena Chinese | 1404 | 1366 |
| LMArena Russian | 1373 | 1285 |
| LMArena French | 1388 | — |
| LMArena German | 1389 | — |
| LMArena Japanese | 1359 | — |
| LMArena Korean | 1360 | — |
| LMArena Spanish | 1396 | — |
Instruction Following Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 70.0 (#168), Granite 4.2 8B: 68.7 (#184)
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Instruction Following | 1367 | 1301 |
| IFEval | 81% | — |
Long Context Granite 4.2 8B leads
Gemini 2.5 Flash-Lite: 33.3 (#262), Granite 4.2 8B: 40.3 (#159)
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Longer Query | 1373 | 1324 |
| Fiction.LiveBench | 47.2% | — |
Writing & Preference Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 56.8 (#135), Granite 4.2 8B: 49.6 (#189)
| Benchmark | Gemini 2.5 Flash-Lite | Granite 4.2 8B |
|---|---|---|
| LMArena Text | 1379 | 1320 |
| LMArena Creative Writing | 1367 | 1236 |
| LMArena Multi-Turn | 1366 | 1301 |
| WildBench | 81.8% | — |
Frequently asked questions
Is Gemini 2.5 Flash-Lite better than Granite 4.2 8B?
Granite 4.2 8B is the stronger model overall, scoring 40.5 to 37.0 on the Noometry Index.
Which is cheaper, Gemini 2.5 Flash-Lite or Granite 4.2 8B?
Granite 4.2 8B is cheaper. It lists at $0.06 per million input tokens and $0.25 per million output tokens; Gemini 2.5 Flash-Lite lists at $0.10 and $0.40.
Is Gemini 2.5 Flash-Lite or Granite 4.2 8B better for coding?
Granite 4.2 8B scores higher on coding benchmarks: 40.5 versus 38.5 in the Noometry coding category.
Which has the bigger context window?
Gemini 2.5 Flash-Lite does, with 1.05M tokens against 131K.
How many benchmarks do Gemini 2.5 Flash-Lite and Granite 4.2 8B share?
11 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Granite 4.2 8B has 11.