GLM-5.2 vs Seed 2.1 Turbo: Specs & Benchmark Comparison
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| Characteristic | GLM-5.2 | Seed 2.1 Turbo |
|---|---|---|
| Company | Zhipu AI | ByteDance |
| Release Date | June 16, 2026 | June 24, 2026 |
| Parameters | 753B | — |
| Multimodal | No | Yes |
| Context (input) | 1.0M | — |
| Context (output) | 131K | — |
| Input Price / 1M | $1.40 | — |
| Output Price / 1M | $4.40 | — |
| Average Score | 0.9 | 0.6 |
Verdict
Both models show equal results — the choice depends on your specific use case.
Overall Performance
Both models show comparable average scores: GLM-5.2 — 0.9, Seed 2.1 Turbo — 0.6.
Recency
Both models were released around the same time: 6/16/2026 and 6/24/2026.
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Frequently Asked Questions
Which is better for coding — GLM-5.2 or Seed 2.1 Turbo?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5.2 or Seed 2.1 Turbo?
API pricing data is available on the individual model pages.
Which has a larger context window — GLM-5.2 or Seed 2.1 Turbo?
Context window data is available on the individual model pages.
The GLM-5.2 and Seed 2.1 Turbo comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.2 or Seed 2.1 Turbo page. See also the complete list of AI model comparisons.