GPT-5 Mini vs Hy4 preview
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | GPT-5 Mini | Hy4 preview |
|---|---|---|
| IntelligenceHigher is better · MM Intelligence v1.4 | #45 of 460.0 score · 2/3-source partial | UnrankedNot in the 46-model eligible cohort |
Ranks come from current available eligible cohorts. Intelligence may use a labeled two-of-three partial core. Green highlights appear only when both models are ranked in the same metric, and the three dimensions are not collapsed into an overall winner.
Benchmark Performance
Available Benchmarks
Technical Differences
Side-by-Side Facts
| Field | GPT-5 Mini | Hy4 preview |
|---|---|---|
| Developer | OpenAI | Tencent |
| Family | Gpt 5 | Hy4 |
| Model | GPT-5 Mini | Hy4 preview |
| Version | GPT-5 Mini | Hy4 preview |
| Lifecycle | active | preview |
| Released | 2025-08-07 | 2026-08-28 |
| Knowledge cutoff | 2024-05-31 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 400K | 1,000K |
| Total parameters | Unknown | 770B |
| Active parameters | Unknown | 49B |
| License | Unknown | apache-2.0 |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Openai (Standard), Openrouter (Standard) | Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, tools |
14 comparable fields · 12 material differences · Pair passes the primary-source comparison gate
GPT-5 Mini Capabilities
Hy4 preview Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
GPT-5 Mini vs Hy4 preview FAQs
Is GPT-5 Mini or Hy4 preview better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both GPT-5 Mini and Hy4 preview, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, GPT-5 Mini or Hy4 preview?+
GPT-5 Mini is $0.125 and Hy4 preview is $0.834 per million tokens, so GPT-5 Mini is cheaper on this metric. GPT-5 Mini is $1.00 and Hy4 preview is $2.501 per million tokens, so GPT-5 Mini is cheaper on this metric.
Which has a larger context window, GPT-5 Mini or Hy4 preview?+
Hy4 preview has the larger sourced context window. GPT-5 Mini supports 400K and Hy4 preview supports 1,000K.
Which performs better in benchmarks, GPT-5 Mini or Hy4 preview?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can GPT-5 Mini or Hy4 preview be self-hosted?+
Hy4 preview is the only model in this pair currently marked as self-hostable. GPT-5 Mini is not marked open weight; Hy4 preview is open weight.
Can GPT-5 Mini and Hy4 preview understand images?+
GPT-5 Mini is documented with image input; Hy4 preview is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, GPT-5 Mini or Hy4 preview?+
Neither has a larger sourced maximum output. GPT-5 Mini is 128K and Hy4 preview is —.
Do GPT-5 Mini and Hy4 preview support reasoning and tool use?+
GPT-5 Mini: reasoning, tool calling, and image input. Hy4 preview: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, GPT-5 Mini or Hy4 preview?+
GPT-5 Mini has 2 sourced provider routes; Hy4 preview has 1, so GPT-5 Mini has broader tracked availability.
Which offers better value, GPT-5 Mini or Hy4 preview?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.