Hy4 preview vs Laguna S 2.1: Specs & Benchmark Comparison
| Characteristic | Hy4 preview | Laguna S 2.1 |
|---|---|---|
| Company | Tencent | Poolside |
| Release Date | August 28, 2026 | July 21, 2026 |
| Parameters | 770B | 118B |
| Multimodal | No | No |
| Context (input) | — | 1.0M |
| Input Price / 1M | — | $0.10 |
| Output Price / 1M | — | $0.20 |
| Average Score | 0.6 | 0.6 |
| Benchmarks | ||
| Toolathlon | 0.7 | 0.5 |
| Terminal-Bench 2.1 | 0.9 | 0.7 |
| SWE-Bench Pro | 0.7 | 0.6 |
| SWE-bench Multilingual | 0.8 | 0.8 |
Visual Benchmark Comparison
Hy4 preview
Laguna S 2.1
Toolathlon0.7 vs 0.5
0.7
0.5
Terminal-Bench 2.10.9 vs 0.7
0.9
0.7
SWE-Bench Pro0.7 vs 0.6
0.7
0.6
SWE-bench Multilingual0.8 vs 0.8
0.8
0.8
Verdict
Hy4 preview leads in 1 out of 2 comparison categories.
Overall Performance
Both models show comparable average scores: Hy4 preview — 0.6, Laguna S 2.1 — 0.6.
Recency
Hy4 preview is newer: released 8/28/2026 vs 7/21/2026.
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Frequently Asked Questions
Which is better for coding — Hy4 preview or Laguna S 2.1?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Hy4 preview or Laguna S 2.1?
API pricing data is available on the individual model pages.
Which has a larger context window — Hy4 preview or Laguna S 2.1?
Context window data is available on the individual model pages.
The Hy4 preview and Laguna S 2.1 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Hy4 preview or Laguna S 2.1 page. See also the complete list of AI model comparisons.