Hy4 preview vs MiMo-V2.6-Pro: Specs & Benchmark Comparison
Hy4 preview is developed by Tencent, while MiMo-V2.6-Pro comes from Xiaomi. Hy4 preview was released in August 2026, and MiMo-V2.6-Pro followed a month later in September 2026. The two are similar in size, at about 770 billion and 1.0 trillion parameters respectively.
The two models share 5 published benchmarks. MiMo-V2.6-Pro leads on 5 of them. The widest gaps are on CyberGym, where MiMo-V2.6-Pro scores 94.0% against 78.4%; Program Bench, where MiMo-V2.6-Pro scores 26.5% against 17.5%. Averaged across everything we track, Hy4 preview sits at 58.7% and MiMo-V2.6-Pro at 59.7%.
MiMo-V2.6-Pro is available through an API at $0.43 per million input tokens with a 1M-token context window. We do not track a hosted API for Hy4 preview, so pricing and context cannot be compared directly.
| Characteristic | Hy4 preview | MiMo-V2.6-Pro |
|---|---|---|
| Company | Tencent | Xiaomi |
| Release Date | August 28, 2026 | September 22, 2026 |
| Parameters | 770B | 1.0T |
| Multimodal | No | Yes |
| Context (input) | — | 1.0M |
| Input Price / 1M | — | $0.43 |
| Output Price / 1M | — | $0.87 |
| Average Score | 58.7% | 59.7% |
| Benchmarks | ||
| CyberGym | 78.4% | 94.0% |
| Program Bench | 17.5% | 26.5% |
| Agents' Last Exam | 22.8% | 31.6% |
| Terminal-Bench 2.1 | 85.4% | 89.9% |
| Job Bench | 61.7% | 62.0% |
Visual Benchmark Comparison
Verdict
MiMo-V2.6-Pro leads in 1 out of 2 comparison categories.
Both models show comparable average scores: Hy4 preview — 0.6, MiMo-V2.6-Pro — 0.6.
MiMo-V2.6-Pro is newer: released 9/22/2026 vs 8/28/2026.
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Frequently Asked Questions
Which is better for coding — Hy4 preview or MiMo-V2.6-Pro?
Which model is cheaper — Hy4 preview or MiMo-V2.6-Pro?
Which has a larger context window — Hy4 preview or MiMo-V2.6-Pro?
The Hy4 preview and MiMo-V2.6-Pro 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 MiMo-V2.6-Pro page. See also the complete list of AI model comparisons.