Kimi K2 Thinking vs Gemini 2.5 Computer Use Preview
Kimi K2 Thinking comes out ahead, 42 to 35 on our weighted score, and it is the cheaper option too.
- Our pick
Moonshot AIKimi K2 Thinking
42/100- ECI146.0
- Price$0.60 / $2.50
- Context262K
GoogleGemini 2.5 Computer Use Preview
35/100- ECI—
- Price$1.25 / $10.00
- Context128K
Add a model
Make it a three-way comparison.
Kimi K2 Thinking is our pick
Kimi K2 Thinking is the better all-round choice, scoring 42/100 against Gemini 2.5 Computer Use Preview (35). It leads on price and context window. Gemini 2.5 Computer Use Preview wins 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 · Gemini 2.5 Computer Use Preview $3.44 per 1M tokens (3:1 blend)
- Longest contextKimi K2 ThinkingKimi K2 Thinking 262,144 · Gemini 2.5 Computer Use Preview 128,000 tokens
- Widest inputsGemini 2.5 Computer Use PreviewKimi K2 Thinking: Text · Gemini 2.5 Computer Use Preview: Text, Images
- Self-hostingKimi K2 ThinkingPublishes downloadable weights
| Measure | Weight | Kimi K2 Thinking | Gemini 2.5 Computer Use Preview |
|---|---|---|---|
| Price | 50% | 48 | 24 |
| Inputs & features | 30% | 35 | 60 |
| Context window | 20% | 37 | 24 |
| Overall | 100% | 42/100 | 35/100 |
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 | Gemini 2.5 Computer Use PreviewGoogle |
|---|---|---|
| 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 (best) | $1.25 |
| Output | $2.50 (best) | $10.00 |
| Cached input | — | — |
| Blended (3:1) | $1.07 (best) | $3.44 |
| Long-context rate | Same rate | Over 200K: $2.50 / $15.00 |
| Price source | Median of 10 providers | Official Google API |
| Limits | ||
| Context window | 262,144 tokens (best) | 128,000 tokens |
| Max output | 262,144 tokens (best) | 64,000 tokens |
| Inputs and features | ||
| Text | Yes | Yes |
| Images | No | Yes |
| PDFs | No | No |
| Audio | No | No |
| Video | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Structured output | No | No |
| Availability | ||
| Weights | Open | Proprietary |
| API model ID | — | gemini-2.5-computer-use-preview-10-2025 |
| API providers | 10 (best) | 2 |
| Released | Nov 6, 2025 | Oct 7, 2025 |
| Knowledge cutoff | Aug 2024 | Jan 2025 |
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
- Gemini 2.5 Computer Use Preview$32.50
Which should you choose?
Which is better: Kimi K2 Thinking or Gemini 2.5 Computer Use Preview?
Kimi K2 Thinking is the better all-round choice, scoring 42/100 against Gemini 2.5 Computer Use Preview (35). It leads on price and context window. Gemini 2.5 Computer Use Preview wins 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 Gemini 2.5 Computer Use Preview?
Kimi K2 Thinking is cheaper at $0.60 input / $2.50 output per million tokens (median across 10 API providers). Gemini 2.5 Computer Use Preview costs $1.25 input / $10.00 output per million tokens (official Google 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 $3.44 for Gemini 2.5 Computer Use Preview (3.2× 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 Gemini 2.5 Computer Use Preview has not been scored yet.
Which is better for coding?
There are no published SWE-bench Verified results for Kimi K2 Thinking and Gemini 2.5 Computer Use Preview 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 has the largest context window at 262,144 tokens, against 128,000 for Gemini 2.5 Computer Use Preview. Maximum output per response: Kimi K2 Thinking up to 262,144, Gemini 2.5 Computer Use Preview up to 64,000 tokens.
Which can read images, PDFs, audio or video?
Kimi K2 Thinking accepts text; Gemini 2.5 Computer Use Preview accepts text and images. Gemini 2.5 Computer Use Preview handles the widest range of inputs.
Are any of these open source?
Kimi K2 Thinking publishes its weights and can be self-hosted; Gemini 2.5 Computer Use Preview is proprietary.
Which is newer?
Kimi K2 Thinking is the newest, released Nov 6, 2025. Gemini 2.5 Computer Use Preview came out Oct 7, 2025. Knowledge cutoff: Kimi K2 Thinking Aug 2024, Gemini 2.5 Computer Use Preview Jan 2025.
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.
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