Mistral Medium 3.5 128B vs Hy4 preview
At a Glance
| Compare |  Mistral Medium 3.5 128BMistral AI |  Hy4 previewTencent |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $0.834Openrouter ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $2.501Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 262K | 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
| Benchmark | Mistral-Medium-3.5-128B | Hy4 preview |
|---|---|---|
| LMArena Agent Arenaagent-2026-09-15-d25aabda0010 · outcome_score · leader | -10.8885% of row best · score · Mistral Medium 3.5; 95% CI [-12.33636331, -9.41760729]; sessions 10244; observations 358935; rank 43 | 5.01100% of row best · score · Hy4 preview; 95% CI [3.98979428, 6.02540735]; sessions 38074; observations 2777850; rank 11 |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 1 benchmark winNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Mistral-Medium-3.5-128B | Hy4 preview |
|---|---|---|
| Developer | Mistral AI | Tencent |
| Family | Mistral Medium 3 5 128b | Hy4 |
| Model | Mistral-Medium-3.5-128B | Hy4 preview |
| Version | Mistral-Medium-3.5-128B | Hy4 preview |
| Lifecycle | active | preview |
| Released | Unknown | 2026-08-28 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 262K | 1,000K |
| Total parameters | 127.7B | 770B |
| Active parameters | Unknown | 49B |
| License | other | apache-2.0 |
| Open weights | Yes | Yes |
| API available | Unknown | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Unknown | Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
Mistral Medium 3.5 128B Capabilities
Hy4 preview Capabilities
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| vs | Mistral-Medium-3.5-128BMistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Mistral Medium 3.5 128B vs Hy4 preview FAQs
Is Mistral Medium 3.5 128B or Hy4 preview better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Mistral Medium 3.5 128B and Hy4 preview, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Mistral Medium 3.5 128B or Hy4 preview?+
Only Hy4 preview has a directly sourced input price: $0.834 per million tokens. Only Hy4 preview has a directly sourced output price: $2.501 per million tokens.
Which has a larger context window, Mistral Medium 3.5 128B or Hy4 preview?+
Hy4 preview has the larger sourced context window. Mistral Medium 3.5 128B supports 262K and Hy4 preview supports 1,000K.
Which performs better in benchmarks, Mistral Medium 3.5 128B or Hy4 preview?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Mistral Medium 3.5 128B or Hy4 preview be self-hosted?+
Both models have the same recorded self-hosting status: supported. Mistral Medium 3.5 128B is open weight; Hy4 preview is open weight.
Can Mistral Medium 3.5 128B and Hy4 preview understand images?+
Mistral Medium 3.5 128B 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, Mistral Medium 3.5 128B or Hy4 preview?+
Neither has a larger sourced maximum output. Mistral Medium 3.5 128B is — and Hy4 preview is —.
Do Mistral Medium 3.5 128B and Hy4 preview support reasoning and tool use?+
Mistral Medium 3.5 128B: 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, Mistral Medium 3.5 128B or Hy4 preview?+
Mistral Medium 3.5 128B has 0 sourced provider routes; Hy4 preview has 1, so Hy4 preview has broader tracked availability.
Which offers better value, Mistral Medium 3.5 128B 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.