GLM-5.1 vs Seed 2.0 Pro: Specs & Benchmark Comparison
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| Characteristic | GLM-5.1 | Seed 2.0 Pro |
|---|---|---|
| Company | Zhipu AI | ByteDance |
| Release Date | April 7, 2026 | February 14, 2026 |
| Parameters | 754B | — |
| Multimodal | No | Yes |
| Context (input) | 200K | 256K |
| Context (output) | 131K | 66K |
| Input Price / 1M | $1.40 | $0.50 |
| Output Price / 1M | $4.40 | $3.00 |
| Average Score | 0.9 | 0.9 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
| AIME 2026 | 0.9 | 0.9 |
Visual Benchmark Comparison
GLM-5.1
Seed 2.0 Pro
GPQA0.9 vs 0.9
0.9
0.9
AIME 20260.9 vs 0.9
0.9
0.9
Verdict
Seed 2.0 Pro leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: GLM-5.1 — 0.9, Seed 2.0 Pro — 0.9.
API Cost
Seed 2.0 Pro is 1.7x cheaper: input $0.50/1M vs $1.40/1M tokens.
Context Window
Seed 2.0 Pro supports a larger context: 256K vs 200K tokens.
Recency
GLM-5.1 is newer: released 4/7/2026 vs 2/14/2026.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — GLM-5.1 or Seed 2.0 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5.1 or Seed 2.0 Pro?
Seed 2.0 Pro is cheaper for input: $0.50 per 1M tokens vs $1.40.
Which has a larger context window — GLM-5.1 or Seed 2.0 Pro?
Seed 2.0 Pro supports a larger context: 256,000 tokens vs 200,000.
The GLM-5.1 and Seed 2.0 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.1 or Seed 2.0 Pro page. See also the complete list of AI model comparisons.