Compare / Qwen2.5 72B Instruct vs Kimi K2 0905
Qwen2.5 72B Instruct vs Kimi K2 0905
Which is cheaper, which is more capable, and which does better at each kind of work, from 15 results on 3 sources that measured both models.
Qwen2.5 72B Instruct or Kimi K2 0905? The short answer
- Qwen2.5 72B Instruct is cheaper: $0.37 against $1.07 per million tokens, 2.9 times less.
- Kimi K2 0905 scores higher on the Artificial Analysis Intelligence Index: 15.3 against 7.7.
- On our business benchmarks, Kimi K2 0905 ranks higher for reasoning and knowledge and writing.
At a glance
| Qwen2.5 72B Instruct | Kimi K2 0905 | |
|---|---|---|
| Price per million tokens | $0.36 in · $0.40 out | $0.60 in · $2.50 out |
| Blended (3 in : 1 out) | $0.37 | $1.07 |
| Cheapest host, blended | $0.37 (DeepInfra, FP8) | – |
| Intelligence Index | 7.7 | 15.3 |
| Spring Prompt overall | – | – |
| Output speed, tokens a second | – | – |
| Context window | 32,768 tokens | 262,144 tokens |
| Weights | Open | Open |
| Developer based in | China | China |
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 models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.
| Use case | Qwen2.5 72B Instruct | Kimi K2 0905 |
|---|---|---|
| Reasoning and knowledgeHard questions across science, maths and general knowledge | 175 of 195 | 124 of 195 |
| WritingWhat people prefer in blind comparisons, and judged writing quality | 159 of 187 | 71 of 187 |
| Sticking to the factsSummarising without inventing things, and factual answers | not measured | 135 of 153 |
Every shared result
| Benchmark | Metric | Qwen2.5 72B Instruct | Kimi K2 0905 |
|---|---|---|---|
| Arena (formerly LMArena)reported | Business, management and financeArena rating | 1,299 | 1,404 |
| Arena (formerly LMArena)reported | Creative writingArena rating | 1,254 | 1,382 |
| Arena (formerly LMArena)reported | Expert promptsArena rating | 1,295 | 1,417 |
| Arena (formerly LMArena)reported | Instruction followingArena rating | 1,292 | 1,390 |
| Arena (formerly LMArena)reported | OverallArena rating | 1,303 | 1,419 |
| Arena (formerly LMArena)reported | Writing, literature and languageArena rating | 1,282 | 1,382 |
| Artificial Analysisreported | Artificial Analysis Intelligence Indexindex score | 7.70 | 15.3 |
| Artificial Analysisreported | GPQA Diamond% of questions | 49.1% | 76.7% |
| Artificial Analysisreported | Humanity's Last Exam% of questions | 3.6% | 6.4% |
| Artificial Analysisreported | IFBench% of instructions | 36.9% | 41.7% |
| Artificial Analysisreported | Terminal-Bench Hard% of tasks | 4.5% | 23.5% |
| Artificial Analysisreported | Τ²-bench telecom% of tasks | 34.5% | 73.4% |
| UGI Leaderboardreported | Requested-length error% off the requested word count | 21.0% | 22.0% |
| UGI Leaderboardreported | Style adherencescore from 0 to 1 | 0.36 | 0.31 |
| UGI Leaderboardreported | Writing scorescore out of 100 | 31.5 | 54.4 |
Bold green marks the better value on that metric. Where a source reports ranges that overlap, the difference may not be meaningful; see the benchmark page for ranges.
Quick answers
Is Qwen2.5 72B Instruct better than Kimi K2 0905?
It depends on the task. Among models available today, on our benchmarks and licensed sources, Kimi K2 0905 ranks higher for reasoning and knowledge and writing.
Which is cheaper, Qwen2.5 72B Instruct or Kimi K2 0905?
Qwen2.5 72B Instruct costs $0.37 per million tokens (three input to one output), against $1.07 for Kimi K2 0905.
Run Qwen2.5 72B Instruct and Kimi K2 0905 on your own prompt
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