Compare / Qwen3.5-Plus (2026-02-15) vs Kimi K2.5
Qwen3.5-Plus (2026-02-15) vs Kimi K2.5
Which is cheaper, which is more capable, and which does better at each kind of work, from 4 results on 3 sources that measured both models.
Of the 4 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-Plus (2026-02-15) or Kimi K2.5? The short answer
They score about the same, so pick Qwen3.5-Plus (2026-02-15): it costs 49% less per token.
- Qwen3.5-Plus (2026-02-15) is cheaper: $0.58 against $1.14 per million tokens, 49% less.
- Qwen3.5-Plus (2026-02-15) is newer: released 16 Feb 2026, against 27 Jan 2026 for Kimi K2.5.
- On third-party benchmarks, on the results both models have: Kimi K2.5 does better for agents and tool use.
Head to head
Every fact side by side
| Qwen3.5-Plus (2026-02-15) | Kimi K2.5 | |
|---|---|---|
| Price per million tokens | $0.26 in · $1.56 out | $0.57 in · $2.85 out |
| Blended (3 in : 1 out) | $0.58 | $1.14 |
| Cheapest host, blended | – | $0.90 (SiliconFlow, INT4) |
| Intelligence Index | – | 23.5 |
| Spring Prompt overall | – | – |
| Output speed, tokens a second | – | – |
| Context window | 1,000,000 tokens | 262,144 tokens |
| Released | 16 Feb 2026 (newer) | 27 Jan 2026 |
| Weights | Closed | 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 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.
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.
| Measure | Qwen3.5-Plus (2026-02-15) | Kimi K2.5 |
|---|---|---|
| SimpleQA Verified (Epoch AI) reported by SimpleQA Verified (Epoch AI) · 1 result | ||
| Correct answers% of questions, higher is better 62 · 50 of 76 measured | 25.4% | 34.3% |
| Vectara Hallucination Leaderboard reported by Vectara Hallucination Leaderboard · 2 results | ||
| Hallucination rate · Vectara% of summaries, lower is better 67 · 88 of 104 measured | 10.7% | 14.2% |
| Answer rate · Vectara% of documents, higher is better 31 · 97 of 104 measured | 99.8% | 92.2% |
| Vending-Bench 2 reported by Vending-Bench 2 · 1 result | ||
| Money after a yearUS dollars, higher is better 54 · 42 of 58 measured | $0.54 | $1,198 |
Compare them with other models
Quick answers
Is Qwen3.5-Plus (2026-02-15) better than Kimi K2.5?
They score about the same, so pick Qwen3.5-Plus (2026-02-15): it costs 49% less per token.
Which is cheaper, Qwen3.5-Plus (2026-02-15) or Kimi K2.5?
Qwen3.5-Plus (2026-02-15) is cheaper: $0.58 against $1.14 per million tokens, 49% less.
Which is better for agents and tool use, Qwen3.5-Plus (2026-02-15) or Kimi K2.5?
Kimi K2.5 ranks 89 of 164 models on sale for multi-step tasks with tools: support desks, coding agents, function calls, against 160 for Qwen3.5-Plus (2026-02-15).
Which is better for sticking to the facts, Qwen3.5-Plus (2026-02-15) or Kimi K2.5?
Kimi K2.5 ranks 107 of 152 models on sale for summarising without inventing things, and factual answers, against 115 for Qwen3.5-Plus (2026-02-15).
Which has the bigger context window, Qwen3.5-Plus (2026-02-15) or Kimi K2.5?
Qwen3.5-Plus (2026-02-15): 1,000,000 tokens, against 262,144 for Kimi K2.5.
Run Qwen3.5-Plus (2026-02-15) and Kimi K2.5 on your own prompt
Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.