DeepSeek R1 0528 vs Hunyuan Hy3 Preview
DeepSeek R1 0528 (2025) and Hunyuan Hy3 Preview (2026) are frontier-tier reasoning models from DeepSeek and Tencent AI Lab. DeepSeek R1 0528 ships a 130k-token context window, while Hunyuan Hy3 Preview ships a 262k-token context window. On SWE-bench Verified, Hunyuan Hy3 Preview leads by 16.8 pts. 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 ~658% cheaper at $0.07/1M; pay for DeepSeek R1 0528 only for coding workflow support.
Decision scorecard
Local evidence first| Signal | DeepSeek R1 0528 | Hunyuan Hy3 Preview |
|---|---|---|
| Best for | reasoning-heavy apps and provider-routed production | reasoning-heavy apps, tool-calling agents, and provider-routed production |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 130k | 262k |
| Cheapest output | $2.15/1M tokens | $0.26/1M tokens |
| Provider routes | 7 tracked | 2 tracked |
| Shared benchmarks | 2 shared | SWE-bench Verified leader |
Decision tradeoffs
- DeepSeek R1 0528 has broader tracked provider coverage for fallback and route flexibility.
- DeepSeek R1 0528 uniquely exposes Structured outputs and Code execution in local model data.
- Local decision data tags DeepSeek R1 0528 for Coding, RAG, and Agents.
- Hunyuan Hy3 Preview holds a shared-benchmark lead on SWE-bench Verified, ahead by 16.8 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.
- Hunyuan Hy3 Preview uniquely exposes JSON / Tool use in local model data.
- Local decision data tags Hunyuan Hy3 Preview 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.
DeepSeek R1 0528
$938
Cheapest tracked route/tier: OpenRouter
Hunyuan Hy3 Preview
$118
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $820. 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.
- Hunyuan Hy3 Preview is $1.89/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Structured outputs and Code execution before moving production traffic.
- Hunyuan Hy3 Preview adds JSON / Tool use in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- DeepSeek R1 0528 is $1.89/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for JSON / Tool use before moving production traffic.
- DeepSeek R1 0528 adds Structured outputs and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-05-28 | 2026-04-22 |
| Context window | 130k | 262k |
| Parameters | 685B total, 37B active (MoE) | 295B |
| Architecture | Decoder Only | Dense + MoE Hybrid |
| License | MITOSI-approved | Tencent Hunyuan Community License |
| Openness | Open source | Open weights |
| Weights | Unknown | Available |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: conditional |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | DeepSeek R1 0528 | Hunyuan Hy3 Preview |
|---|---|---|
| Input price | $0.50/1M tokens | $0.07/1M tokens |
| Output price | $2.15/1M tokens | $0.26/1M tokens |
| Providers |
Capabilities
| Capability | DeepSeek R1 0528 | Hunyuan Hy3 Preview |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | Yes | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | Yes | No |
| Code execution | Yes | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | DeepSeek R1 0528 | Hunyuan Hy3 Preview |
|---|---|---|
| SWE-bench Verified | 57.6 | 74.4 |
| Google-Proof Q&A | 81.0 | 87.2 |
Continue comparing
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- Claude Sonnet 4.6 vs Hunyuan Hy3 Preview
- Hunyuan Hy3 Preview vs o3-pro
- Hunyuan Hy3 Preview vs Kimi K2.5
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Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.