Compare / Qwen3.5-122B-A10B vs Kimi K2 (0905)

Qwen3.5-122B-A10B vs Kimi K2 (0905)

Which is cheaper, which is more capable, and which does better at each kind of work, from 19 results on 4 sources that measured both models.

AlibabaQwen3.5-122B-A10B Released 24 Feb 2026 · $0.26 in · $2.08 out
Moonshot AIKimi K2 (0905) Released 5 Sep 2025 · $0.60 in · $2.50 out
Qwen3.5-122B-A10B wins 126 too close to callKimi K2 (0905) wins 1

Of the 19 results both models have, the better value on each. Results whose reported ranges overlap are too close to call.

Results as of 9 October 2026 (catalogue release 2026-10-09-dd620e778ac5). See also Alibaba vs Moonshot AI, every model from both labs.

Qwen3.5-122B-A10B or Kimi K2 (0905)? The short answer

Pick Qwen3.5-122B-A10B: it scores higher (Intelligence Index 17.7 against 15.3) and costs less.

  • Qwen3.5-122B-A10B is cheaper: $0.72 against $1.07 per million tokens, 33% less.
  • Qwen3.5-122B-A10B scores higher on the Artificial Analysis Intelligence Index: 17.7 against 15.3.
  • Qwen3.5-122B-A10B is newer: released 24 Feb 2026, against 5 Sep 2025 for Kimi K2 (0905).
  • On third-party benchmarks, on the results both models have: Qwen3.5-122B-A10B does better for reasoning and knowledge and sticking to the facts; Kimi K2 (0905) for writing.

Head to head

17.7
Intelligence Index
15.3
$0.72
Price per million tokens, blendedlower is better
$1.07
262,144
Context window, tokens
262,144

Every fact side by side

Qwen3.5-122B-A10BKimi K2 (0905)
Price per million tokens$0.26 in · $2.08 out$0.60 in · $2.50 out
Blended (3 in : 1 out)$0.72$1.07
Cheapest host, blended$0.72 (Alibaba)–
Intelligence Index17.715.3
Spring Prompt overall––
Output speed, tokens a second147–
Context window262,144 tokens262,144 tokens
Released24 Feb 2026 (newer)5 Sep 2025
WeightsOpenOpen
Developer based inChinaChina

Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.

Which is better for what

Each model's rank among the models on sale today, for each kind of work, from our own benchmarks and licensed sources. Further right is better; the better rank is in green.

Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls 95 of 164 not measured
Reasoning and knowledgeHard questions across science, maths and general knowledge 87 of 198 128 of 198
WritingWhat people prefer in blind comparisons, and judged writing quality 102 of 188 73 of 188
Sticking to the factsSummarising without inventing things, and factual answers 108 of 152 135 of 152

Every shared result

Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. Under each measure, every model that benchmark has measured is a grey tick, best to the right, so you can see where the two sit in the field. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.

MeasureQwen3.5-122B-A10BKimi K2 (0905)
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results
Overall · TextArena rating, higher is better 117 · 113 of 387 measured 1,416 1,419
Overall · Text factualityArena rating, higher is better 103 · 132 of 163 measured 1,428 1,403
Business, management and finance · TextArena rating, higher is better 105 · 134 of 380 measured 1,422 1,404
Artificial Analysis reported by Artificial Analysis · 3 results
Artificial Analysis Intelligence Indexindex score, higher is better 114 · 126 of 243 measured 17.7no reasoning 15.3
GPQA Diamond% of questions, higher is better 75 · 130 of 231 measured 85.7% 76.7%
Humanity's Last Exam% of questions, higher is better 92 · 178 of 242 measured 25.2% 6.4%
UGI Leaderboard reported by UGI Leaderboard · 3 results
Writing score · UGIscore out of 100, higher is better 112 · 61 of 230 measured 39.5no reasoning 54.4
Requested-length error · UGI% off the requested word count, lower is better 33 · 129 of 230 measured 9.0%thinking reasoning 22.0%
Style adherence · UGIscore from 0 to 1, higher is better 83 · 194 of 230 measured 0.36no reasoning 0.31
Vectara Hallucination Leaderboard reported by Vectara Hallucination Leaderboard · 2 results
Hallucination rate · Vectara% of summaries, lower is better 72 · 94 of 104 measured 11.2% 17.9%
Answer rate · Vectara% of documents, higher is better 31 · 72 of 104 measured 99.8% 98.6%
Show all 19 results (8 more)
MeasureQwen3.5-122B-A10BKimi K2 (0905)
Arena (formerly LMArena) reported by Arena (formerly LMArena) · 4 results
Creative writing · TextArena rating, higher is better 136 · 119 of 385 measured 1,366 1,381
Expert prompts · TextArena rating, higher is better 111 · 138 of 338 measured 1,442 1,417
Instruction following · TextArena rating, higher is better 115 · 136 of 387 measured 1,406 1,390
Writing, literature and language · TextArena rating, higher is better 125 · 133 of 386 measured 1,387 1,382
Artificial Analysis reported by Artificial Analysis · 4 results
IFBench% of instructions, higher is better 22 · 126 of 195 measured 75.7% 41.7%
Long-context reasoning (AA-LCR)% of questions, higher is better 72 · 146 of 233 measured 76.3% 53.0%
Terminal-Bench Hard% of tasks, higher is better 65 · 84 of 190 measured 31.1% 23.5%
τ²-bench telecom% of tasks, higher is better 30 · 80 of 193 measured 93.6% 73.4%

Quick answers

Is Qwen3.5-122B-A10B better than Kimi K2 (0905)?

Pick Qwen3.5-122B-A10B: it scores higher (Intelligence Index 17.7 against 15.3) and costs less.

Which is cheaper, Qwen3.5-122B-A10B or Kimi K2 (0905)?

Qwen3.5-122B-A10B is cheaper: $0.72 against $1.07 per million tokens, 33% less.

Which is better for reasoning and knowledge, Qwen3.5-122B-A10B or Kimi K2 (0905)?

Qwen3.5-122B-A10B ranks 87 of 198 models on sale for hard questions across science, maths and general knowledge, against 128 for Kimi K2 (0905).

Which is better for writing, Qwen3.5-122B-A10B or Kimi K2 (0905)?

Kimi K2 (0905) ranks 73 of 188 models on sale for what people prefer in blind comparisons, and judged writing quality, against 102 for Qwen3.5-122B-A10B.

Which is better for sticking to the facts, Qwen3.5-122B-A10B or Kimi K2 (0905)?

Qwen3.5-122B-A10B ranks 108 of 152 models on sale for summarising without inventing things, and factual answers, against 135 for Kimi K2 (0905).

Run Qwen3.5-122B-A10B and Kimi K2 (0905) on your own prompt

Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.