Model comparison
Seed 2.0 Pro vs GLM-4.5V
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 39.2 on the Noometry Index.
Last verified . 14 shared benchmarks.
ByteDance SeedSummary
- They share 14 benchmarks with published results for both. Seed 2.0 Pro scores higher in 8 categories and GLM-4.5V in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Seed 2.0 Pro leads 63.0 to 52.7.
- GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $0.50 / $3 for Seed 2.0 Pro.
- Seed 2.0 Pro accepts more context: 256K tokens versus 64K.
- GLM-4.5V has downloadable open weights; the other is API-only.
Side by side
| Seed 2.0 Pro | GLM-4.5V | |
|---|---|---|
| Provider | ByteDance Seed | Z.ai (Zhipu) |
| Noometry Index | 42.5 | 39.2 |
| Released | 2026-02-14 | 2025-08-11 |
| Weights | Proprietary | Open |
| Context window | 256K | 64K |
| Max output | 128K | 16K |
| Input $ / M tokens | $0.50 | $0.60 |
| Output $ / M tokens | $3 | $1.80 |
| Results tracked | 20 | 15 |
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Category by category
Coding Seed 2.0 Pro leads
Seed 2.0 Pro: 42.9 (#84), GLM-4.5V: 38.9 (#152)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Coding | 1472 | 1347 |
Reasoning GLM-4.5V leads
Seed 2.0 Pro: 23.1 (#167), GLM-4.5V: 26.5 (#118)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Hard Prompts | 1453 | 1335 |
| Kagi LLM Benchmark | — | 59.8% |
| NYT Connections (extended) | 28.4% | — |
| Thematic Generalization | 57.1% | — |
Math Seed 2.0 Pro leads
Seed 2.0 Pro: 36.5 (#110), GLM-4.5V: 34.7 (#157)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Math | 1440 | 1353 |
Knowledge Seed 2.0 Pro leads
Seed 2.0 Pro: 39.6 (#119), GLM-4.5V: 36.8 (#155)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Expert | 1440 | 1353 |
Multimodal Seed 2.0 Pro leads
Seed 2.0 Pro: 40.8 (#34), GLM-4.5V: 33.6 (#86)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Vision | 1275 | 1154 |
Multilingual Seed 2.0 Pro leads
Seed 2.0 Pro: 54.8 (#37), GLM-4.5V: 44.9 (#172)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Non-English | 1442 | 1304 |
| LMArena Chinese | 1490 | 1338 |
| LMArena Russian | 1450 | 1299 |
| LMArena Spanish | 1460 | 1335 |
| LMArena French | 1470 | — |
| LMArena German | 1443 | — |
| LMArena Japanese | 1408 | — |
| LMArena Korean | 1412 | — |
Instruction Following Seed 2.0 Pro leads
Seed 2.0 Pro: 74.7 (#86), GLM-4.5V: 69.4 (#170)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Instruction Following | 1414 | 1311 |
Long Context Seed 2.0 Pro leads
Seed 2.0 Pro: 43.6 (#85), GLM-4.5V: 39.6 (#166)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Longer Query | 1428 | 1305 |
Writing & Preference Seed 2.0 Pro leads
Seed 2.0 Pro: 63.0 (#66), GLM-4.5V: 52.7 (#162)
| Benchmark | Seed 2.0 Pro | GLM-4.5V |
|---|---|---|
| LMArena Text | 1448 | 1333 |
| LMArena Creative Writing | 1406 | 1295 |
| LMArena Multi-Turn | 1441 | 1333 |
Frequently asked questions
Is Seed 2.0 Pro better than GLM-4.5V?
Seed 2.0 Pro is the stronger model overall, scoring 42.5 to 39.2 on the Noometry Index.
Which is cheaper, Seed 2.0 Pro or GLM-4.5V?
GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; Seed 2.0 Pro lists at $0.50 and $3.
Is Seed 2.0 Pro or GLM-4.5V better for coding?
Seed 2.0 Pro scores higher on coding benchmarks: 42.9 versus 38.9 in the Noometry coding category.
Which has the bigger context window?
Seed 2.0 Pro does, with 256K tokens against 64K.
How many benchmarks do Seed 2.0 Pro and GLM-4.5V share?
14 benchmarks have published results for both models. Seed 2.0 Pro has 20 scored results on Noometry and GLM-4.5V has 15.