KAT Models
4 models2025–2026Up to 256K ctxFrom $0.3/1M input
About
KAT is a family of 4 AI models, released between 2025 and 2026.
Current Variants
Use-when guidance is derived from seed capabilities, context, release, and replacement fields.
4 in view
KAT Coder Pro V2Current
Use when the workload needs code, 256K context, and tool use.
2026-03code256K contexttool use
KAT Dev 32BCurrent
Use when the workload needs 128K context and 32B parameters.
2025-01128K context32B parameters
KAT Dev 72B ExpCurrent
Use when the workload needs 128K context and 72B parameters.
2025-01128K context72B parameters
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| KAT Coder Pro V2 | Use when the workload needs code, 256K context, and tool use. | 2026-03 | code256K contexttool use | Current |
| KAT Coder | Use when the workload needs code and 256K context. | 2025-01 | code256K context | Current |
| KAT Dev 32B | Use when the workload needs 128K context and 32B parameters. | 2025-01 | 128K context32B parameters | Current |
| KAT Dev 72B Exp | Use when the workload needs 128K context and 72B parameters. | 2025-01 | 128K context72B parameters | Current |
Release Timeline
2 release groups2026-03
1 current
KAT Coder Pro V2
Currentcode256K contexttool use
2025-01
3 current
KAT Coder
Currentcode256K context
KAT Dev 32B
Current128K context32B parameters
KAT Dev 72B Exp
Current128K context72B parameters
Specifications(4 models)
| Model | Released | Context | Parameters | Fn Calling | Tool Use | Structured Outputs | Code Exec |
|---|---|---|---|---|---|---|---|
| KAT Coder Pro V2 | 2026-03 | 256K | — | Yes | Yes | Yes | Yes |
| KAT Coder | 2025-01 | 256K | — | No | No | No | No |
| KAT Dev 32B | 2025-01 | 128K | 32B | No | No | No | No |
| KAT Dev 72B Exp | 2025-01 | 128K | 72B | No | No | No | No |
Available From(2 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| KAT Coder Pro V2 | OpenRouter | $0.3 | $1.2 | Serverless |
| KAT Coder | Fireworks AI | $0.9 | $0.9 | Serverless |
| KAT Dev 32B | Fireworks AI | $0.9 | $0.9 | Serverless |
| KAT Dev 72B Exp | Fireworks AI | $0.9 | $0.9 | Serverless |
Frequently Asked Questions
- What is KAT used for?
- KAT is used for code, agent workflows and tool use, and structured outputs. The family description and listed model capabilities point to those workloads as the best fit.
- How does KAT compare to Claude 3?
- KAT is strongest where you need code, while Claude 3 by Anthropic is the closest related family to check for vision and multimodal work. KAT has 4 listed variants and reaches up to 256K context, while Claude 3 reaches up to 200K context, so compare the specs and pricing tables before choosing a production model.
- Which KAT model should I use?
- For the lowest listed input price, start with KAT Coder Pro V2 through OpenRouter at $0.3/1M input tokens. For the most capable/latest local choice, evaluate KAT Coder Pro V2 with 256K context and tool use, function calling, and structured outputs.