Kimi K2 Models by Moonshot AI
About
Kimi K2 is Moonshot AI's frontier MoE model family for agentic coding and long-context reasoning. The line spans the original K2 release and Kimi K2.6, with 1T total parameters, 32B active parameters, a 262K-token context window, and support for coding, tool use, and vision-assisted workflows.
Current Variants
Use-when guidance is derived from seed capabilities, context, release, and replacement fields.
Use when the workload needs code, 262K context, and 1000B parameters.
Use when the workload needs 262K context, 1K parameters, and function calling.
Use when the workload needs 262K context, 1K parameters, and function calling.
Use when the workload needs 262K context, 1K parameters, and function calling.
Use when the workload needs 131K context, 1K parameters, and function calling.
Use when the workload needs reasoning, 256K context, and structured outputs.
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Kimi K2.6 | Use when the workload needs code, 262K context, and 1000B parameters. | 2026-04 | code262K context1000B parameters | Current |
| Kimi K2 Thinking Turbo | Use when the workload needs 262K context. | 2025-11 | 262K context | Current |
| Kimi K2 0905 Preview | Use when the workload needs 262K context, 1K parameters, and function calling. | 2025-09 | 262K context1K parametersfunction calling | Current |
| Kimi K2 Turbo Preview | Use when the workload needs 262K context, 1K parameters, and function calling. | 2025-08 | 262K context1K parametersfunction calling | Current |
| Kimi K2 | Use when the workload needs 262K context, 1K parameters, and function calling. | 2025-07 | 262K context1K parametersfunction calling | Current |
| Kimi K2 0711 Preview | Use when the workload needs 131K context, 1K parameters, and function calling. | 2025-07 | 131K context1K parametersfunction calling | Current |
| Kimi K2 Instruct 0905 | Use when the workload needs 256K context. | 2025-01 | 256K context | Current |
| Kimi K2 Thinking | Use when the workload needs reasoning, 256K context, and structured outputs. | 2025-01 | reasoning256K contextstructured outputs | Current |
Release Timeline
6 release groupsSpecifications(8 models)
| Model | Released | Context | Parameters | Vision | Multimodal | Reasoning | Fn Calling | Tool Use | Structured Outputs |
|---|---|---|---|---|---|---|---|---|---|
| Kimi K2.6 | 2026-04 | 262K | 1T | Yes | Yes | Yes | Yes | Yes | No |
| Kimi K2 Thinking Turbo | 2025-11 | 262K | — | No | No | No | No | No | No |
| Kimi K2 0905 Preview | 2025-09 | 262K | 1K | No | No | No | Yes | No | No |
| Kimi K2 Turbo Preview | 2025-08 | 262K | 1K | No | No | No | Yes | No | No |
| Kimi K2 | 2025-07 | 262K | 1K | No | No | No | Yes | No | Yes |
| Kimi K2 0711 Preview | 2025-07 | 131K | 1K | No | No | No | Yes | No | No |
| Kimi K2 Instruct 0905 | 2025-01 | 256K | — | No | No | No | No | No | No |
| Kimi K2 Thinking | 2025-01 | 256K | — | No | No | Yes | No | No | Yes |
Available From(7 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Kimi K2 | AWS Bedrock | $0.5 | $2 | Serverless |
| Kimi K2 | GCP Vertex AI | $0.5 | $2 | Serverless |
| Kimi K2 | OpenRouter | $0.57 | $2.3 | Serverless |
| Kimi K2 Instruct 0905 | Fireworks AI | $0.6 | $2.5 | Serverless |
| Kimi K2 Thinking | Fireworks AI | $0.6 | $2.5 | Serverless |
| Kimi K2 Thinking | GCP Vertex AI | $0.6 | $2.5 | Serverless |
| Kimi K2 Thinking | AWS Bedrock | $0.6 | $2.5 | Serverless |
| Kimi K2 Thinking | OpenRouter | $0.6 | $2.5 | Serverless |
| Kimi K2.6 | OpenRouter | $0.75 | $3.5 | Serverless |
| Kimi K2.6 | Moonshot AI Kimi | $0.9 | $3.72 | Serverless |
| Kimi K2.6 | Fireworks AI | $0.95 | $4 | Serverless |
Comparisons
- DeepSeek V4 Flash vs Kimi K2.6
- Claude Opus 4.7 vs Kimi K2 Thinking
- Kimi K2.6 vs Kimi K2.5
- Kimi K2.6 vs Claude Opus 4.7
- Kimi K2.6 vs DeepSeek V4 Pro
- Kimi K2.6 vs GPT-5.2 Codex
- Kimi K2.6 vs GPT-5.1 Codex Max
- Kimi K2.6 vs GPT-5.5
Frequently Asked Questions
- What is Kimi K2 used for?
- Kimi K2 is used for code, reasoning, and vision and multimodal work. The family description and listed model capabilities point to those workloads as the best fit.
- How does Kimi K2 compare to Moonshot?
- Kimi K2 by Moonshot AI is strongest where you need code, while Moonshot by Moonshot AI is the closest related family to check for adjacent model selection. Kimi K2 has 8 listed variants and reaches up to 262K context, while Moonshot reaches up to 128K context, so compare the specs and pricing tables before choosing a production model.
Models(8)
Kimi K2.6
Kimi K2 Thinking Turbo
Kimi K2 0905 Preview
Kimi K2 Turbo Preview
Kimi K2
Kimi K2 0711 Preview
Kimi K2 Instruct 0905
Kimi K2 Thinking


