Kimi K2 Thinking vs Qwen3.5 122B-A10B
Qwen3.5 122B-A10B comes out ahead, 58 to 42 on our weighted score.
Moonshot AIKimi K2 Thinking
42/100- ECI146.0
- Price$0.60 / $2.50
- Context262K
- Our pick
Alibaba (Qwen)Qwen3.5 122B-A10B
58/100- ECI—
- Price$0.40 / $3.20
- Context262K
Add a model
Make it a three-way comparison.
Qwen3.5 122B-A10B is our pick
Qwen3.5 122B-A10B is the better all-round choice, scoring 58/100 against Kimi K2 Thinking (42). It leads on inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
- CapabilityNot enough dataNo independent benchmark covers every model here yet
- Lowest priceKimi K2 ThinkingKimi K2 Thinking $1.07 · Qwen3.5 122B-A10B $1.10 per 1M tokens (3:1 blend)
- Longest contextAbout the sameKimi K2 Thinking 262,144 · Qwen3.5 122B-A10B 262,144 tokens
- Widest inputsQwen3.5 122B-A10BKimi K2 Thinking: Text · Qwen3.5 122B-A10B: Text, Images, Audio, Video
- Self-hostingAll open weightsEvery model here can be downloaded and run on your own hardware
| Measure | Weight | Kimi K2 Thinking | Qwen3.5 122B-A10B |
|---|---|---|---|
| Price | 50% | 48 | 48 |
| Inputs & features | 30% | 35 | 90 |
| Context window | 20% | 37 | 37 |
| Overall | 100% | 42/100 | 58/100 |
Left out because at least one model lacks the data: capability. The remaining weights were rescaled.
Every spec in one table
Highlighted cells lead their row. Dashes mean the data is not published.
| Specification | Kimi K2 ThinkingMoonshot AI | Qwen3.5 122B-A10BAlibaba (Qwen) |
|---|---|---|
| Capability | ||
| Capabilities Index (ECI) | 146.0 | — |
| ECI rank | #72 of 148 | — |
| GPQA DiamondGraduate-level science questions | 84.2% | — |
| OTIS Mock AIME 2024–2025Competition mathematics | 83.1% | — |
| Price per million tokens | ||
| Input | $0.60 | $0.40 (best) |
| Output | $2.50 (best) | $3.20 |
| Cached input | — | — |
| Blended (3:1) | $1.07 (best) | $1.10 |
| Long-context rate | Same rate | Same rate |
| Price source | Median of 10 providers | Official Alibaba API |
| Limits | ||
| Context window | 262,144 tokens | 262,144 tokens |
| Max output | 262,144 tokens (best) | 65,536 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | Yes |
| PDFs | No | No |
| Audio | No | Yes |
| Video | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | Yes |
| Availability | ||
| Weights | Open | Open |
| API model ID | — | qwen3.5-122b-a10b |
| API providers | 10 | 19 (best) |
| Released | Nov 6, 2025 | Feb 23, 2026 |
| Knowledge cutoff | Aug 2024 | — |
What would a month cost?
Enter your expected volume in millions of tokens. List prices only; caching and batch discounts would lower these.
- Kimi K2 Thinking$11.00
- Qwen3.5 122B-A10B$10.40
Which should you choose?
Which is better: Kimi K2 Thinking or Qwen3.5 122B-A10B?
Qwen3.5 122B-A10B is the better all-round choice, scoring 58/100 against Kimi K2 Thinking (42). It leads on inputs & features. The score weighs price 50%, inputs & features 30%, context window 20%. None of the shared benchmarks cover every model here yet, so capability is left out of this verdict.
Which is cheaper, Kimi K2 Thinking or Qwen3.5 122B-A10B?
Kimi K2 Thinking is cheaper at $0.60 input / $2.50 output per million tokens (median across 10 API providers). Qwen3.5 122B-A10B costs $0.40 input / $3.20 output per million tokens (official Alibaba API price). At a typical mix of three input tokens to one output token, that is $1.07 per million tokens for Kimi K2 Thinking versus $1.10 for Qwen3.5 122B-A10B (1× as much).
Which scores higher on benchmarks?
There is no independent benchmark that covers both models yet. Kimi K2 Thinking has an ECI of 146.0 and Qwen3.5 122B-A10B has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Kimi K2 Thinking and Qwen3.5 122B-A10B yet, so there is no like-for-like coding score. Test both on a sample of your own tasks. Both support tool calling for agent workflows.
Which has the bigger context window?
Kimi K2 Thinking and Qwen3.5 122B-A10B share the same 262,144-token context window. Maximum output per response: Kimi K2 Thinking up to 262,144, Qwen3.5 122B-A10B up to 65,536 tokens.
Which can read images, PDFs, audio or video?
Kimi K2 Thinking accepts text; Qwen3.5 122B-A10B accepts text, images, audio and video. Qwen3.5 122B-A10B handles the widest range of inputs.
Are any of these open source?
Yes, both publish their weights, so you can self-host them.
Which is newer?
Qwen3.5 122B-A10B is the newest, released Feb 23, 2026. Kimi K2 Thinking came out Nov 6, 2025. Knowledge cutoff: Kimi K2 Thinking Aug 2024.
How do you decide the winner?
Each model gets a 0–100 score on capability (50%, independent benchmark results); price (25%, blended price per million tokens (3 input : 1 output), log scale); inputs & features (15%, image, PDF, audio and video input, tool calling, structured output and reasoning); context window (10%, maximum tokens per request, log scale). Dimensions missing for any model are dropped and the remaining weights rescaled, so every model is judged on the same evidence. Specs and prices come from public model listings and the labs’ own API pages; capability scores come from independent benchmark runs. Data updated Oct 4, 2026.
Related comparisons
- Add Qwen3.5 PlusThree-way comparison
- Kimi K2 Thinking vs Qwen3.5 PlusAlibaba (Qwen) · ECI 146.8
- Kimi K2 Thinking vs GLM-4.7Z.ai (Zhipu) · ECI 143.5
- Kimi K2 Thinking vs Nemotron 3 Ultra 550B A55BNVIDIA · ECI 146.2
- Kimi K2 Thinking vs GPT-5 MiniOpenAI · ECI 145.5
- Qwen3.5 122B-A10B vs MiniMax-M2.5-highspeedMiniMax
- Qwen3.5 122B-A10B vs DeepSeek OCR 2DeepSeek
