Model comparison
Gemini 2.5 Flash vs Step 1o Turbo 202506
Gemini 2.5 Flash and Step 1o Turbo 202506 score almost the same on the Noometry Index (39.3 vs 39.7), so choose on price, context window or the category you care about most.
Last verified . 14 shared benchmarks.
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StepFunSummary
- They share 14 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 7 categories and Step 1o Turbo 202506 in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 1o Turbo 202506 leads 26.8 to 18.1.
Side by side
| Gemini 2.5 Flash | Step 1o Turbo 202506 | |
|---|---|---|
| Provider | StepFun | |
| Noometry Index | 39.3 | 39.7 |
| Released | 2025-04-17 | — |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 54 | 14 |
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Category by category
Coding Step 1o Turbo 202506 leads
Gemini 2.5 Flash: 35.8 (#220), Step 1o Turbo 202506: 39.2 (#160)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Coding | 1424 | 1339 |
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| ALE-Bench | 661.88 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash: 30.8 (#74), Step 1o Turbo 202506: —
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |
Reasoning Step 1o Turbo 202506 leads
Gemini 2.5 Flash: 18.1 (#286), Step 1o Turbo 202506: 26.8 (#129)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1335 |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 2.7% | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| Epoch Capabilities Index | 143.03 | — |
| ForecastBench | 60.6 | — |
Math Gemini 2.5 Flash leads
Gemini 2.5 Flash: 39.9 (#98), Step 1o Turbo 202506: 36.6 (#164)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Math | 1415 | 1318 |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge Too close to call
Gemini 2.5 Flash: 36.4 (#168), Step 1o Turbo 202506: 36.1 (#176)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Expert | 1426 | 1308 |
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |
Multimodal Gemini 2.5 Flash leads
Gemini 2.5 Flash: 41.8 (#32), Step 1o Turbo 202506: 36.1 (#80)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Vision | 1253 | 1186 |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |
Multilingual Gemini 2.5 Flash leads
Gemini 2.5 Flash: 52.3 (#88), Step 1o Turbo 202506: 45.3 (#173)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Non-English | 1409 | 1313 |
| LMArena Chinese | 1450 | 1380 |
| LMArena German | 1418 | 1314 |
| LMArena Russian | 1415 | 1327 |
| LMArena French | 1433 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1385 | — |
| LMArena Spanish | 1421 | — |
Instruction Following Gemini 2.5 Flash leads
Gemini 2.5 Flash: 75.7 (#54), Step 1o Turbo 202506: 69.2 (#176)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Instruction Following | 1405 | 1310 |
| IFEval | 89.8% | — |
Long Context Gemini 2.5 Flash leads
Gemini 2.5 Flash: 47.5 (#17), Step 1o Turbo 202506: 41.0 (#146)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Longer Query | 1419 | 1348 |
| Fiction.LiveBench | 77.8% | — |
Writing & Preference Too close to call
Gemini 2.5 Flash: 53.8 (#157), Step 1o Turbo 202506: 53.1 (#160)
| Benchmark | Gemini 2.5 Flash | Step 1o Turbo 202506 |
|---|---|---|
| LMArena Text | 1417 | 1336 |
| LMArena Creative Writing | 1400 | 1307 |
| LMArena Multi-Turn | 1408 | 1340 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |
Frequently asked questions
Is Gemini 2.5 Flash better than Step 1o Turbo 202506?
Gemini 2.5 Flash and Step 1o Turbo 202506 score almost the same on the Noometry Index (39.3 vs 39.7), so choose on price, context window or the category you care about most.
Is Gemini 2.5 Flash or Step 1o Turbo 202506 better for coding?
Step 1o Turbo 202506 scores higher on coding benchmarks: 39.2 versus 35.8 in the Noometry coding category.
How many benchmarks do Gemini 2.5 Flash and Step 1o Turbo 202506 share?
14 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Step 1o Turbo 202506 has 14.