Model comparison
Seed 2.0 Pro vs Gemini 3 Flash Preview
Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 42.5 on the Noometry Index.
Last verified . 19 shared benchmarks.
ByteDance Seed
GoogleSummary
- They share 19 benchmarks with published results for both. Seed 2.0 Pro scores higher in 0 categories and Gemini 3 Flash Preview in 9 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3 Flash Preview leads 49.2 to 23.1.
- The biggest single-benchmark swing is NYT Connections (extended): 28.4% for Seed 2.0 Pro and 83.1% for Gemini 3 Flash Preview.
- Both cost about the same: $0.50 input and $3 output per million tokens.
- Gemini 3 Flash Preview accepts more context: 1.05M tokens versus 256K.
Side by side
| Seed 2.0 Pro | Gemini 3 Flash Preview | |
|---|---|---|
| Provider | ByteDance Seed | |
| Noometry Index | 42.5 | 52.3 |
| Released | 2026-02-14 | 2025-12-17 |
| Weights | Proprietary | Proprietary |
| Context window | 256K | 1.05M |
| Max output | 128K | 66K |
| Input $ / M tokens | $0.50 | $0.50 |
| Output $ / M tokens | $3 | $3 |
| Results tracked | 20 | 59 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Gemini 3 Flash Preview leads
Seed 2.0 Pro: 42.9 (#84), Gemini 3 Flash Preview: 51.5 (#35)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Coding | 1472 | 1460 |
| SWE-bench Verified | — | 75.4% |
| SWE-bench Verified (bash only) | — | 75.8% |
| LMArena WebDev | — | 1439 |
| SWE-bench Multilingual | — | 72.7% |
| GSO | — | 9.8% |
| WeirdML | — | 61.6% |
| ALE-Bench | — | 1,367 |
Agentic & Tool Use Not comparable
Seed 2.0 Pro: —, Gemini 3 Flash Preview: 38.6 (#27)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| Terminal-Bench | — | 64.3% |
| τ²-bench Airline | — | 82.5% |
| τ²-bench Banking | — | 27.3% |
| τ²-bench Retail | — | 76.8% |
| τ²-bench Telecom | — | 91.2% |
| DeepResearch Bench | — | 49.8% |
| BALROG | — | 48.1% |
| GDP.pdf | — | 10% |
| LMArena Search | — | 1198 |
| Vending-Bench 2 | — | 3,635 |
Reasoning Gemini 3 Flash Preview leads
Seed 2.0 Pro: 23.1 (#167), Gemini 3 Flash Preview: 49.2 (#35)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| NYT Connections (extended) | 28.4% | 83.1% |
| LMArena Hard Prompts | 1453 | 1465 |
| ARC-AGI-2 | — | 33.6% |
| SimpleBench | — | 61.1% |
| ARC-AGI-1 | — | 84.7% |
| Chess Puzzles | — | 40% |
| Thematic Generalization | 57.1% | — |
| Mystery Game Puzzles | — | 26% |
| DTBench | — | 89.1% |
| LMCA | — | 43.1% |
| Epoch Capabilities Index | — | 151.83 |
| ForecastBench | — | 58.5 |
Math Gemini 3 Flash Preview leads
Seed 2.0 Pro: 36.5 (#110), Gemini 3 Flash Preview: 51.4 (#42)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Math | 1440 | 1472 |
| FrontierMath (Tiers 1-3) | — | 51.2% |
| FrontierMath Tier 4 | — | 17.1% |
| MathArena Final-Answer Competitions | — | 67.6% |
| OTIS Mock AIME 2024-2025 | — | 95.6% |
| ProofBench | — | 15% |
| FrontierMath (Feb 2025 set) | — | 35.6% |
| FrontierMath Tier 4 (v1) | — | 4.2% |
Knowledge Gemini 3 Flash Preview leads
Seed 2.0 Pro: 39.6 (#119), Gemini 3 Flash Preview: 58.8 (#30)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Expert | 1440 | 1461 |
| GPQA Diamond | — | 89.4% |
| SimpleQA Verified | — | 66.8% |
| Vectara Hallucination Rate | — | 13.5% |
Multimodal Gemini 3 Flash Preview leads
Seed 2.0 Pro: 40.8 (#34), Gemini 3 Flash Preview: 45.3 (#15)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Vision | 1275 | 1285 |
| GeoBench | — | 88% |
| VPCT | — | 72.6% |
| Blueprint-Bench 2 | — | 0% |
| LMArena Document | — | 1413 |
Multilingual Gemini 3 Flash Preview leads
Seed 2.0 Pro: 54.8 (#37), Gemini 3 Flash Preview: 55.9 (#26)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Non-English | 1442 | 1458 |
| LMArena Chinese | 1490 | 1510 |
| LMArena French | 1470 | 1478 |
| LMArena German | 1443 | 1497 |
| LMArena Japanese | 1408 | 1488 |
| LMArena Korean | 1412 | 1443 |
| LMArena Russian | 1450 | 1480 |
| LMArena Spanish | 1460 | 1470 |
Instruction Following Gemini 3 Flash Preview leads
Seed 2.0 Pro: 74.7 (#86), Gemini 3 Flash Preview: 75.8 (#52)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Instruction Following | 1414 | 1437 |
Long Context Too close to call
Seed 2.0 Pro: 43.6 (#85), Gemini 3 Flash Preview: 44.4 (#63)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Longer Query | 1428 | 1452 |
Writing & Preference Gemini 3 Flash Preview leads
Seed 2.0 Pro: 63.0 (#66), Gemini 3 Flash Preview: 65.6 (#44)
| Benchmark | Seed 2.0 Pro | Gemini 3 Flash Preview |
|---|---|---|
| LMArena Text | 1448 | 1466 |
| LMArena Creative Writing | 1406 | 1457 |
| LMArena Multi-Turn | 1441 | 1471 |
Frequently asked questions
Is Seed 2.0 Pro better than Gemini 3 Flash Preview?
Gemini 3 Flash Preview is the stronger model overall, scoring 52.3 to 42.5 on the Noometry Index.
Which is cheaper, Seed 2.0 Pro or Gemini 3 Flash Preview?
Gemini 3 Flash Preview is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.
Is Seed 2.0 Pro or Gemini 3 Flash Preview better for coding?
Gemini 3 Flash Preview scores higher on coding benchmarks: 51.5 versus 42.9 in the Noometry coding category.
Which has the bigger context window?
Gemini 3 Flash Preview does, with 1.05M tokens against 256K.
How many benchmarks do Seed 2.0 Pro and Gemini 3 Flash Preview share?
19 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and Gemini 3 Flash Preview has 59.