Mistral Medium 3.5 128B vs Kimi K2.6
At a Glance
| Compare |  Mistral Medium 3.5 128BMistral AI |  Kimi K2.6Moonshot AI |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $0.65Openrouter ↗ · Oct 19, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $3.41Openrouter ↗ · Oct 19, 2026 |
| Context windowMaximum documented tokens | 262K | 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 | Mistral-Medium-3.5-128B | Kimi-K2.6 |
|---|---|---|
| LMArena Text Arenatext-2026-10-15-0ebb411abf00 · arena_rating · leader | 1,420.9798% of row best · rating · mistral-medium-3.5; 95% CI [1414.59009121, 1427.34230551]; votes 11778; rank 112 | 1,455.42100% of row best · rating · kimi-k2.6; 95% CI [1451.01237282, 1459.83173802]; votes 40013; rank 44 |
| LMArena Vision Arenavision-2026-10-09-0ebb411abf00 · arena_rating · leader | 1,223.0895% of row best · rating · mistral-medium-3.5; 95% CI [1213.57754699, 1232.58266173]; votes 5375; rank 82 | 1,282.78100% of row best · rating · kimi-k2.6; 95% CI [1275.98531996, 1289.57750584]; votes 16379; rank 33 |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 2 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 | Mistral-Medium-3.5-128B | Kimi-K2.6 |
|---|---|---|
| Developer | Mistral AI | Moonshot AI |
| Family | Mistral Medium 3 5 128b | Kimi K2 6 |
| Model | Mistral-Medium-3.5-128B | Kimi-K2.6 |
| Version | Mistral-Medium-3.5-128B | Kimi-K2.6 |
| Lifecycle | active | active |
| Released | Unknown | 2026-04-20 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 262K | 262K |
| Total parameters | 127.7B | 1.03T |
| Active parameters | Unknown | 32B |
| License | other | other |
| Open weights | Yes | Yes |
| API available | Unknown | Yes |
| Self-hostable | Yes | Yes |
| Provider access | Unknown | Deepinfra (Standard), Fireworks Ai (Standard), Hugging Face (Standard), Openrouter (Standard), Together Ai (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
Mistral Medium 3.5 128B Capabilities
Kimi K2.6 Capabilities
Related Comparisons
All image comparisons →| A | Pair | B | Context |
|---|---|---|---|
| vs | Mistral-Medium-3.5-128BMistral AI | cross-developer peersimage, text | |
| vs | Mistral-Medium-3.5-128BMistral AI | cross-developer peersimage, text | |
| vs | Mistral-Medium-3.5-128BMistral AI | cross-developer peersimage, text | |
Mistral-Medium-3.5-128BMistral AI | vs | Mistral Large 3Mistral AI | family variantsimage, text |
Mistral-Medium-3.5-128BMistral AI | vs | Mistral-Small-4-119B-2603Mistral AI | family variantsimage, text |
Mistral-Medium-3.5-128BMistral AI | vs | cross-developer peerstext | |
 Qwen3-Coder-NextQwen | vs | Mistral-Medium-3.5-128BMistral AI | cross-developer peerstext |
Qwen3.5-35B-A3BQwen | vs | Mistral-Medium-3.5-128BMistral AI | cross-developer peersimage, text |
| vs | Mistral-Medium-3.5-128BMistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Mistral Medium 3.5 128B vs Kimi K2.6 FAQs
Is Mistral Medium 3.5 128B or Kimi K2.6 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Mistral Medium 3.5 128B and Kimi K2.6, 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 Kimi K2.6?+
Only Kimi K2.6 has a directly sourced input price: $0.65 per million tokens. Only Kimi K2.6 has a directly sourced output price: $3.41 per million tokens.
Which has a larger context window, Mistral Medium 3.5 128B or Kimi K2.6?+
Both models have the same sourced context window: 262,144 tokens each.
Which performs better in benchmarks, Mistral Medium 3.5 128B or Kimi K2.6?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Mistral Medium 3.5 128B or Kimi K2.6 be self-hosted?+
Both models have the same sourced self-hosting status: supported. Mistral Medium 3.5 128B is open weight; Kimi K2.6 is open weight.
Can Mistral Medium 3.5 128B and Kimi K2.6 understand images?+
Mistral Medium 3.5 128B is documented with image input; Kimi K2.6 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Mistral Medium 3.5 128B or Kimi K2.6?+
Neither model has a sourced maximum output in this comparison, so a larger limit cannot be determined.
Do Mistral Medium 3.5 128B and Kimi K2.6 support reasoning and tool use?+
Mistral Medium 3.5 128B: reasoning, tool calling, and image input. Kimi K2.6: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Mistral Medium 3.5 128B or Kimi K2.6?+
Mistral Medium 3.5 128B has 0 sourced provider routes; Kimi K2.6 has 5, so Kimi K2.6 has broader tracked availability.
Which offers better value, Mistral Medium 3.5 128B or Kimi K2.6?+
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.