Hunyuan Hy3 Preview vs Xiaomi MiMo-V2.5
Hunyuan Hy3 Preview (2026) and Xiaomi MiMo-V2.5 (2026) are frontier-tier reasoning models from Tencent AI Lab and Xiaomi. Hunyuan Hy3 Preview ships a 262k-token context window, while Xiaomi MiMo-V2.5 ships a 1.05m-token context window. On Google-Proof Q&A, Hunyuan Hy3 Preview leads by 3.5 pts. On pricing, Hunyuan Hy3 Preview costs $0.07/1M input tokens versus $0.14/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Hunyuan Hy3 Preview is ~112% cheaper at $0.07/1M; pay for Xiaomi MiMo-V2.5 only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Hunyuan Hy3 Preview | Xiaomi MiMo-V2.5 |
|---|---|---|
| Best for | reasoning-heavy apps, tool-calling agents, and provider-routed production | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | RAG, Agents, and Long context |
| Context window | 262k | 1.05m |
| Cheapest output | $0.26/1M tokens | $0.28/1M tokens |
| Provider routes | 2 tracked | 2 tracked |
| Shared benchmarks | Google-Proof Q&A leader | 2 shared |
Decision tradeoffs
- Hunyuan Hy3 Preview holds a shared-benchmark lead on Google-Proof Q&A, ahead by 3.5 points.
- Hunyuan Hy3 Preview has the lower cheapest tracked output price at $0.26/1M tokens.
- Local decision data tags Hunyuan Hy3 Preview for Coding, RAG, and Agents.
- Xiaomi MiMo-V2.5 holds a shared-benchmark lead on GeneBench-Pro, ahead by 0.3 points.
- Xiaomi MiMo-V2.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Xiaomi MiMo-V2.5 uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
- Local decision data tags Xiaomi MiMo-V2.5 for RAG, Agents, and Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Hunyuan Hy3 Preview
$118
Cheapest tracked route/tier: OpenRouter
Xiaomi MiMo-V2.5
$182
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $64.20. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Xiaomi MiMo-V2.5 is $0.02/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Xiaomi MiMo-V2.5 adds Vision, Multimodal, and Structured outputs in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Hunyuan Hy3 Preview is $0.02/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-22 | 2026-04-22 |
| Context window | 262k | 1.05m |
| Parameters | 295B | — |
| Architecture | Dense + MoE Hybrid | - |
| License | Tencent Hunyuan Community License | Proprietary |
| Openness | Open weights | Proprietary |
| Weights | Available | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Hunyuan Hy3 Preview | Xiaomi MiMo-V2.5 |
|---|---|---|
| Input price | $0.07/1M tokens | $0.14/1M tokens |
| Output price | $0.26/1M tokens | $0.28/1M tokens |
| Providers |
Capabilities
| Capability | Hunyuan Hy3 Preview | Xiaomi MiMo-V2.5 |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | Yes |
| JSON / Tool use | Yes | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Hunyuan Hy3 Preview | Xiaomi MiMo-V2.5 |
|---|---|---|
| Google-Proof Q&A | 87.2 | 83.7 |
| GeneBench-Pro | 0.9 | 1.2 |
Continue comparing
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.