Model comparison
Seed 2.0 Pro vs GPT-4.5
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 36.9 on the Noometry Index.
Last verified . 17 shared benchmarks.
ByteDance SeedSummary
- They share 17 benchmarks with published results for both. Seed 2.0 Pro scores higher in 9 categories and GPT-4.5 in 0 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Seed 2.0 Pro leads 23.1 to 14.1.
Side by side
| Seed 2.0 Pro | GPT-4.5 | |
|---|---|---|
| Provider | ByteDance Seed | OpenAI |
| Noometry Index | 42.5 | 36.9 |
| Released | 2026-02-14 | 2025-02-27 |
| Weights | Proprietary | Proprietary |
| Context window | 256K | — |
| Max output | 128K | — |
| Input $ / M tokens | $0.50 | — |
| Output $ / M tokens | $3 | — |
| Results tracked | 20 | 42 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 42.9 (#84), GPT-4.5: 41.8 (#102)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Coding | 1472 | 1397 |
| Aider Polyglot | — | 44.9% |
| WeirdML | — | 39.4% |
| LiveBench Coding | — | 75.2% |
Agentic & Tool Use Not comparable
Seed 2.0 Pro: —, GPT-4.5: 27.6 (#92)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| Cybench | — | 17.5% |
Reasoning Seed 2.0 Pro leads
Seed 2.0 Pro: 23.1 (#167), GPT-4.5: 14.1 (#320)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1404 |
| ARC-AGI-2 | — | 0.8% |
| SimpleBench | — | 34.5% |
| NYT Connections (extended) | 28.4% | — |
| ARC-AGI-1 | — | 10.3% |
| EnigmaEval | — | 3.2% |
| Thematic Generalization | 57.1% | — |
| LiveBench Reasoning | — | 71.1% |
| LiveBench Data Analysis | — | 64.3% |
| Epoch Capabilities Index | — | 136.74 |
| ForecastBench | — | 61.7 |
| LiveBench | — | 69% |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 36.5 (#110), GPT-4.5: 31.0 (#200)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Math | 1440 | 1412 |
| OTIS Mock AIME 2024-2025 | — | 37.8% |
| LiveBench Math | — | 69.3% |
| MATH Level 5 | — | 78.6% |
Knowledge Seed 2.0 Pro leads
Seed 2.0 Pro: 39.6 (#119), GPT-4.5: 32.4 (#205)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Expert | 1440 | 1394 |
| GPQA Diamond | — | 68.7% |
| Humanity's Last Exam | — | 5.4% |
| Confabulations | — | 13.6% |
Multimodal Seed 2.0 Pro leads
Seed 2.0 Pro: 40.8 (#34), GPT-4.5: 37.0 (#68)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Vision | 1275 | 1195 |
| VPCT | — | 45% |
Multilingual Seed 2.0 Pro leads
Seed 2.0 Pro: 54.8 (#37), GPT-4.5: 52.7 (#78)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Non-English | 1442 | 1413 |
| LMArena Chinese | 1490 | 1421 |
| LMArena French | 1470 | 1417 |
| LMArena German | 1443 | 1457 |
| LMArena Japanese | 1408 | 1416 |
| LMArena Korean | 1412 | 1392 |
| LMArena Russian | 1450 | 1419 |
| LMArena Spanish | 1460 | — |
Instruction Following Seed 2.0 Pro leads
Seed 2.0 Pro: 74.7 (#86), GPT-4.5: 72.8 (#129)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Instruction Following | 1414 | 1404 |
| LiveBench Instruction Following | — | 72.3% |
Long Context Seed 2.0 Pro leads
Seed 2.0 Pro: 43.6 (#85), GPT-4.5: 40.4 (#150)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Longer Query | 1428 | 1406 |
| Fiction.LiveBench | — | 63.9% |
Writing & Preference Seed 2.0 Pro leads
Seed 2.0 Pro: 63.0 (#66), GPT-4.5: 57.1 (#129)
| Benchmark | Seed 2.0 Pro | GPT-4.5 |
|---|---|---|
| LMArena Text | 1448 | 1417 |
| LMArena Creative Writing | 1406 | 1394 |
| LMArena Multi-Turn | 1441 | 1444 |
| Short-Story Creative Writing | — | 75.6% |
| EQ-Bench Creative Writing | — | 1258 |
| LiveBench Language | — | 61.5% |
Frequently asked questions
Is Seed 2.0 Pro better than GPT-4.5?
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 36.9 on the Noometry Index.
Is Seed 2.0 Pro or GPT-4.5 better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 42.9 versus 41.8 in the Noometry coding category.
How many benchmarks do Seed 2.0 Pro and GPT-4.5 share?
17 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and GPT-4.5 has 42.