DeepSeek V3 0324 vs Hunyuan Hy3 Preview
DeepSeek V3 0324 (2025) and Hunyuan Hy3 Preview (2026) are frontier reasoning models from DeepSeek and Tencent AI Lab. DeepSeek V3 0324 ships a 160k-token context window, while Hunyuan Hy3 Preview ships a 262k-token context window. On SWE-bench Verified, DeepSeek V3 0324 leads by 2.4 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 ~309% cheaper at $0.07/1M; pay for DeepSeek V3 0324 only for provider fit.
Decision scorecard
Local evidence first| Signal | DeepSeek V3 0324 | Hunyuan Hy3 Preview |
|---|---|---|
| Best for | provider-routed production | reasoning-heavy apps, tool-calling agents, and provider-routed production |
| Decision fit | Coding, Agents, and Long context | Coding, RAG, and Agents |
| Context window | 160k | 262k |
| Cheapest output | $1.12/1M tokens | $0.26/1M tokens |
| Provider routes | 3 tracked | 2 tracked |
| Shared benchmarks | SWE-bench Verified leader | 2 rows |
Decision tradeoffs
- DeepSeek V3 0324 holds a shared-benchmark lead on SWE-bench Verified, ahead by 2.4 points.
- DeepSeek V3 0324 has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags DeepSeek V3 0324 for Coding, Agents, and Long context.
- 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 Reasoning, Function calling, and 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 V3 0324
$496
Cheapest tracked route/tier: Novita AI
Hunyuan Hy3 Preview
$118
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $378. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for DeepSeek V3 0324 and Hunyuan Hy3 Preview; plan for SDK, billing, or endpoint changes.
- Hunyuan Hy3 Preview is $0.86/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Hunyuan Hy3 Preview adds Reasoning, Function calling, and Tool use in local capability data.
- No overlapping tracked provider route is sourced for Hunyuan Hy3 Preview and DeepSeek V3 0324; plan for SDK, billing, or endpoint changes.
- DeepSeek V3 0324 is $0.86/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Reasoning, Function calling, and Tool use before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-03-24 | 2026-04-22 |
| Context window | 160k | 262k |
| Parameters | 671B | 295B |
| Architecture | decoder only | dense moe hybrid |
| License | MIT(OSI) | Tencent Hunyuan Community License |
| Openness | Open source | Open weights |
| Commercial use | Commercial use allowed | Commercial use with conditions |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | DeepSeek V3 0324 | Hunyuan Hy3 Preview |
|---|---|---|
| Input price | $0.27/1M tokens | $0.07/1M tokens |
| Output price | $1.12/1M tokens | $0.26/1M tokens |
| Providers |
Capabilities
| Capability | DeepSeek V3 0324 | Hunyuan Hy3 Preview |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | Yes |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | DeepSeek V3 0324 | Hunyuan Hy3 Preview |
|---|---|---|
| SWE-bench Verified | 76.8 | 74.4 |
| Google-Proof Q&A | 87.6 | 87.2 |
Deep dive
On shared benchmark coverage, SWE-bench Verified has DeepSeek V3 0324 at 76.8 and Hunyuan Hy3 Preview at 74.4, with DeepSeek V3 0324 ahead by 2.4 points; Google-Proof Q&A has DeepSeek V3 0324 at 87.6 and Hunyuan Hy3 Preview at 87.2, with DeepSeek V3 0324 ahead by 0.4 points. The largest visible gap is 2.4 points on SWE-bench Verified, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.
The capability footprint differs most on reasoning mode: Hunyuan Hy3 Preview, function calling: Hunyuan Hy3 Preview, and tool use: Hunyuan Hy3 Preview. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, DeepSeek V3 0324 lists $0.27/1M input and $1.12/1M output tokens on the cheapest tracked provider, while Hunyuan Hy3 Preview lists $0.07/1M input and $0.26/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Hunyuan Hy3 Preview lower by about $0.40 per million blended tokens. Availability is 3 providers versus 2, so concentration risk also matters.
Choose DeepSeek V3 0324 when provider fit and broader provider choice are central to the workload. Choose Hunyuan Hy3 Preview when reasoning depth, larger context windows, and lower input-token cost are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, DeepSeek V3 0324 or Hunyuan Hy3 Preview?
Hunyuan Hy3 Preview supports 262k tokens, while DeepSeek V3 0324 supports 160k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, DeepSeek V3 0324 or Hunyuan Hy3 Preview?
Hunyuan Hy3 Preview is cheaper on tracked token pricing. DeepSeek V3 0324 costs $0.27/1M input and $1.12/1M output tokens. Hunyuan Hy3 Preview costs $0.07/1M input and $0.26/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is DeepSeek V3 0324 or Hunyuan Hy3 Preview open source?
DeepSeek V3 0324 is listed under MIT. Hunyuan Hy3 Preview is listed under Tencent Hunyuan Community License. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for reasoning mode, DeepSeek V3 0324 or Hunyuan Hy3 Preview?
Hunyuan Hy3 Preview has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for function calling, DeepSeek V3 0324 or Hunyuan Hy3 Preview?
Hunyuan Hy3 Preview has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run DeepSeek V3 0324 and Hunyuan Hy3 Preview?
DeepSeek V3 0324 is available on Fireworks AI, Microsoft Foundry, and Novita AI. Hunyuan Hy3 Preview is available on OpenRouter and Tencent Cloud TI Platform. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-06-07. Data sourced from public model cards and provider documentation.