GPT-5.6 Sol vs Hy4 preview
At a Glance
| Compare |  GPT-5.6 SolOpenAI |  Hy4 previewTencent |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $4.00Openai ↗ · Sep 3, 2026 | $0.834Deepinfra ↗ · Oct 19, 2026 |
| Output priceFrom · USD / 1M tokens | $20.00Openai ↗ · Sep 3, 2026 | $2.501Deepinfra ↗ · Oct 19, 2026 |
| Context windowMaximum documented tokens | 1,050K | 1,000K |
| Model facts checked | Aug 28, 2026View model evidence → | Sep 2, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | GPT-5.6 Sol | Hy4 preview |
|---|---|---|
| Developer | OpenAI | Tencent |
| Family | Gpt 5 6 | Hy4 |
| Model | GPT-5.6 Sol | Hy4 preview |
| Version | GPT-5.6 Sol | Hy4 preview |
| Lifecycle | active | preview |
| Released | Unknown | 2026-08-28 |
| Knowledge cutoff | 2026-02-16 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 1,050K | 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) | Deepinfra (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
GPT-5.6 Sol Capabilities
Hy4 preview Capabilities
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Primary Evidence
Sources and Freshness
Questions
GPT-5.6 Sol vs Hy4 preview FAQs
Is GPT-5.6 Sol or Hy4 preview better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both GPT-5.6 Sol and Hy4 preview, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, GPT-5.6 Sol or Hy4 preview?+
GPT-5.6 Sol is $4.00 and Hy4 preview is $0.834 per million tokens, so Hy4 preview is cheaper on this metric. GPT-5.6 Sol is $20.00 and Hy4 preview is $2.501 per million tokens, so Hy4 preview is cheaper on this metric.
Which has a larger context window, GPT-5.6 Sol or Hy4 preview?+
GPT-5.6 Sol has the larger sourced context window. GPT-5.6 Sol supports 1,050,000 tokens and Hy4 preview supports 1,000,000 tokens.
Which performs better in benchmarks, GPT-5.6 Sol 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-5.6 Sol or Hy4 preview be self-hosted?+
Hy4 preview is documented as self-hostable; GPT-5.6 Sol is documented as not self-hostable. GPT-5.6 Sol is not marked open weight; Hy4 preview is open weight.
Can GPT-5.6 Sol and Hy4 preview understand images?+
GPT-5.6 Sol 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-5.6 Sol or Hy4 preview?+
GPT-5.6 Sol has a sourced maximum output of 128,000 tokens; Hy4 preview's maximum output is not reported. A larger limit cannot be determined.
Do GPT-5.6 Sol and Hy4 preview support reasoning and tool use?+
GPT-5.6 Sol: 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-5.6 Sol or Hy4 preview?+
GPT-5.6 Sol has 2 sourced provider routes; Hy4 preview has 2, a tie.
Which offers better value, GPT-5.6 Sol 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.