Kimi K3 vs Hy3
At a Glance
| Compare |  Kimi K3Moonshot AI |  Hy3Tencent |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #17 of 4670.3 score · 3/3 sources · complete | UnrankedNot in the 46-model eligible cohort |
| CostLower is better · Published-token output estimate | #30 of 44$0.194 per LiveBench case | UnrankedNot in the 44-model eligible cohort |
| EfficiencyHigher is better · MM Efficiency v1.5 | #21 of 3852.5 score · 3/3 sources · complete | UnrankedNot in the 38-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $2.85Deepinfra ↗ · Sep 22, 2026 | $0.13Deepinfra ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | $14.25Deepinfra ↗ · Sep 22, 2026 | $0.528Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 1,049K | 262K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 28, 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 | Kimi-K3 | Hy3 |
|---|---|---|
| LMArena Agent Arenaagent-2026-09-15-d25aabda0010 · outcome_score · leader | 6.22100% of row best · score · Kimi K3 (Max); 95% CI [5.59393783, 6.84323085]; sessions 108615; observations 9086177; rank 8 | -5.2389% of row best · score · Hy3; 95% CI [-6.39472360, -4.07137134]; sessions 27371; observations 992576; rank 35 |
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,472.27100% of row best · rating · kimi-k3-max; 95% CI [1467.05577758, 1477.48944277]; votes 20987; rank 23 | 1,440.5898% of row best · rating · hy3; 95% CI [1433.39024152, 1447.77894384]; votes 8047; rank 65 |
| Overall ResultCounted from the protocol-matched rows above | 2 benchmark winsNo overall winner | 0 benchmark winsNo 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 | Kimi-K3 | Hy3 |
|---|---|---|
| Developer | Moonshot AI | Tencent |
| Family | Kimi K3 | Hy3 |
| Model | Kimi-K3 | Hy3 |
| Version | Kimi-K3 | Hy3 |
| Lifecycle | active | active |
| Released | 2026-07-16 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 1,049K | 262K |
| Total parameters | 2.8T | 298.8B |
| Active parameters | 104B | 21B |
| License | other | apache-2.0 |
| Open weights | Yes | Yes |
| API available | Yes | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard) | Deepinfra (Standard), Hugging Face (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning | chat, generation, tools |
Kimi K3 Capabilities
Hy3 Capabilities
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Kimi-K3Moonshot AI | vs |  GLM-5.3Z.ai | cross-developer peerstext |
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Primary Evidence
Sources and Freshness
Questions
Kimi K3 vs Hy3 FAQs
Is Kimi K3 or Hy3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Kimi K3 and Hy3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Kimi K3 or Hy3?+
Kimi K3 is $2.85 and Hy3 is $0.13 per million tokens, so Hy3 is cheaper on this metric. Kimi K3 is $14.25 and Hy3 is $0.528 per million tokens, so Hy3 is cheaper on this metric.
Which has a larger context window, Kimi K3 or Hy3?+
Kimi K3 has the larger sourced context window. Kimi K3 supports 1,049K and Hy3 supports 262K.
Which performs better in benchmarks, Kimi K3 or Hy3?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Kimi K3 or Hy3 be self-hosted?+
Both models have the same recorded self-hosting status: supported. Kimi K3 is open weight; Hy3 is open weight.
Can Kimi K3 and Hy3 understand images?+
Kimi K3 is documented with image input; Hy3 is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Kimi K3 or Hy3?+
Neither has a larger sourced maximum output. Kimi K3 is — and Hy3 is —.
Do Kimi K3 and Hy3 support reasoning and tool use?+
Kimi K3: reasoning and image input. Hy3: tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Kimi K3 or Hy3?+
Kimi K3 has 5 sourced provider routes; Hy3 has 3, so Kimi K3 has broader tracked availability.
Which offers better value, Kimi K3 or Hy3?+
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.