Kimi K2 Thinking — Benchmark Scores, Pricing & Performance Analysis
Kimi K2 Thinking is an AI model by Vertex. View detailed benchmark scores, pricing data, and performance metrics on Serenities AI Models.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
Coding Benchmarks
Human preference ELO for building things — websites, UI, games, charts, SVG
Design Arena (via OpenRouter)Artificial Analysis composite coding score
Artificial Analysis (via OpenRouter)Human preference ELO for building a working web page from a brief
Design Arena (via OpenRouter)Reasoning Benchmarks
Multi-turn service agent making tool calls under strict policy constraints
OpenRouter (measured)Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 21 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 5 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| OpenCode Zen | $0.4 | $2.5 | $0.4 | 262K | — |
| Vercel AI Gateway | $0.47 | $2 | $0.141 | 216K | Supported |
| Helicone | $0.48 | $2 | — | 256K | — |
| IO.NET | $0.55 | $2.25 | $0.275 | 33K | — |
| 302.AI | $0.575 | $2.3 | — | 262K | — |
| Amazon Bedrock | $0.6 | $2.5 | — | 262K | Supported |
| Charm Hyper | $0.6 | $2.5 | $0.3 | 262K | — |
| DevPass (LLM Gateway) | $0.6 | $2.5 | $0.06 | 262K | — |
| Eden AI | $0.6 | $2.5 | — | 128K | — |
| Hugging Face | $0.6 | $2.5 | $0.15 | 262K | Supported |
| Kilo Gateway | $0.6 | $2.5 | $0.15 | 262K | — |
| LLM Gateway | $0.6 | $2.5 | $0.06 | 262K | — |
| Meganova | $0.6 | $2.6 | — | 262K | — |
| Merge Gateway | $0.6 | $2.5 | — | 262K | — |
| NanoGPT | $0.6 | $2.5 | $0.15 | 262K | — |
| NovitaAI | $0.6 | $2.5 | $0.15 | 262K | — |
| OpenRouter | $0.6 | $2.5 | $0.15 | 262K | Supported |
| Vertex | $0.6 | $2.5 | $0.06 | 262K | Supported |
| ZenMux | $0.6 | $2.5 | $0.15 | 262K | — |
| Poe | — | — | — | 256K | — |
| Qiniu | — | — | — | 256K | — |
Kimi K2 Thinking — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare Kimi K2 Thinking With
Kimi K2 Thinking — Frequently Asked Questions
How much does Kimi K2 Thinking cost?
Kimi K2 Thinking costs $0.60 per 1M input tokens and $2.5 per 1M output tokens. This is mid-range pricing for its capability level.
What is the context window of Kimi K2 Thinking?
Kimi K2 Thinking has a context window of 262K tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created Kimi K2 Thinking?
Kimi K2 Thinking was created by Vertex. It is classified as a open source model in our catalogue.
Is Kimi K2 Thinking open source?
Yes, Kimi K2 Thinking is an open-source model. The model weights are publicly available for download and self-hosting.