LLM Reference

GPT-5.4-Cyber vs Hunyuan Hy3 Preview

GPT-5.4-Cyber (2026) and Hunyuan Hy3 Preview (2026) are frontier-tier reasoning models from OpenAI and Tencent AI Lab. GPT-5.4-Cyber ships a not-yet-sourced context window, while Hunyuan Hy3 Preview ships a 262k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.

Hunyuan Hy3 Preview is safer overall; choose GPT-5.4-Cyber when vision-heavy evaluation matters.

Decision scorecard

Local evidence first
SignalGPT-5.4-CyberHunyuan Hy3 Preview
Best forreasoning-heavy apps and multimodal appsreasoning-heavy apps, tool-calling agents, and provider-routed production
Decision fitVisionCoding, RAG, and Agents
Context window—262k
Cheapest output-$0.26/1M tokens
Provider routes0 tracked2 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GPT-5.4-Cyber when...
  • GPT-5.4-Cyber uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags GPT-5.4-Cyber for Vision.
Choose Hunyuan Hy3 Preview when...
  • Hunyuan Hy3 Preview has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Hunyuan Hy3 Preview has broader tracked provider coverage for fallback and route flexibility.
  • 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.

GPT-5.4-Cyber

Unavailable

No complete token price in local provider data

Hunyuan Hy3 Preview

$118

Cheapest tracked route/tier: OpenRouter

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

GPT-5.4-Cyber -> Hunyuan Hy3 Preview
  • No overlapping tracked provider route is sourced for GPT-5.4-Cyber and Hunyuan Hy3 Preview; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.
  • Hunyuan Hy3 Preview adds JSON / Tool use in local capability data.
Hunyuan Hy3 Preview -> GPT-5.4-Cyber
  • No overlapping tracked provider route is sourced for Hunyuan Hy3 Preview and GPT-5.4-Cyber; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for JSON / Tool use before moving production traffic.
  • GPT-5.4-Cyber adds Vision and Multimodal in local capability data.

Specs

Specification
Released2026-04-142026-04-22
Context window—262k
Parameters—295B
ArchitectureDecoder OnlyDense + MoE Hybrid
LicenseProprietaryTencent Hunyuan Community License
OpennessProprietaryOpen weights
WeightsNot releasedAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2025-08-

Pricing and availability

Pricing attributeGPT-5.4-CyberHunyuan Hy3 Preview
Input price-$0.07/1M tokens
Output price-$0.26/1M tokens
Providers-
OpenRouterTencent Cloud TI Platform

Capabilities

CapabilityGPT-5.4-CyberHunyuan Hy3 Preview
VisionYesNo
MultimodalYesNo
ReasoningYesYes
JSON / Tool useNoYes
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.