Hunyuan Hy3 Preview vs o3-pro
Hunyuan Hy3 Preview (2026) and o3-pro (2025) are frontier-tier reasoning models from Tencent AI Lab and OpenAI. Hunyuan Hy3 Preview ships a 262k-token context window, while o3-pro ships a 200k-token context window. On Google-Proof Q&A, Hunyuan Hy3 Preview leads by 3.2 pts. On pricing, Hunyuan Hy3 Preview costs $0.07/1M input tokens versus $20/1M 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 ~30203% cheaper at $0.07/1M; pay for o3-pro only for coding workflow support.
Decision scorecard
Local evidence first| Signal | Hunyuan Hy3 Preview | o3-pro |
|---|---|---|
| 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 | Coding, RAG, and Agents |
| Context window | 262k | 200k |
| Cheapest output | $0.26/1M tokens | $80/1M tokens |
| Provider routes | 2 tracked | 3 tracked |
| Shared benchmarks | Google-Proof Q&A leader | 1 shared |
Decision tradeoffs
- Hunyuan Hy3 Preview holds a shared-benchmark lead on Google-Proof Q&A, ahead by 3.2 points.
- Hunyuan Hy3 Preview has the larger context window for long prompts, retrieval packs, or transcript analysis.
- 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.
- o3-pro has broader tracked provider coverage for fallback and route flexibility.
- o3-pro uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
- Local decision data tags o3-pro for Coding, RAG, and Agents.
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
o3-pro
$36,000
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $35,882. 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.
- o3-pro is $79.74/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- o3-pro 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 $79.74/1M 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 | 2025-06-10 |
| Context window | 262k | 200k |
| Parameters | 295B | — |
| Architecture | Dense + MoE Hybrid | Decoder Only |
| 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 | - | 2025-08 |
Pricing and availability
| Pricing attribute | Hunyuan Hy3 Preview | o3-pro |
|---|---|---|
| Input price | $0.07/1M tokens | $20/1M tokens |
| Output price | $0.26/1M tokens | $80/1M tokens |
| Providers |
Capabilities
| Capability | Hunyuan Hy3 Preview | o3-pro |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | Yes |
| JSON / Tool use | Yes | Yes |
| Structured outputs | No | Yes |
| Code execution | No | Yes |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Hunyuan Hy3 Preview | o3-pro |
|---|---|---|
| Google-Proof Q&A | 87.2 | 84.0 |
Continue comparing
Popular comparisons for Hunyuan Hy3 Preview
Popular comparisons for o3-pro
Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.