Last refreshed 2026-05-22. Next refresh: weekly.
Why use KAT Coder Pro V2 on Vercel AI Gateway?
Vercel AI Gateway offers KAT Coder Pro V2 with pay-as-you-go pricing at $0.30/1M input tokens. Vercel AI Gateway is a unified AI proxy providing a single OpenAI-compatible API endpoint to 275+ models from 25+ providers including Anthropic, OpenAI, Google, Meta, Mistral, DeepSeek, xAI, Alibaba, Amazon, ByteDance, Cohere, MiniMax, MoonshotAI, KwaiPilot, Black Forest Labs, Recraft, Voyage AI, NVIDIA, and more.
Compare KAT Coder Pro V2 across 3 providers to find the best fit for your use caseSetup recipe
Python + curlpip install openaiexport AI_GATEWAY_API_KEY=...import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],kwaipilot/kat-coder-pro-v2Request example
import os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["AI_GATEWAY_API_KEY"],
base_url="https://ai-gateway.vercel.sh/v1"
)
response = client.chat.completions.create(
model="kwaipilot/kat-coder-pro-v2",
messages=[{"role": "user", "content": "Hello"}]
)
print(response.choices[0].message.content)Gotchas
- Use provider model ID "kwaipilot/kat-coder-pro-v2", not the LLMReference slug "kat-coder-pro-v2".
- creator/model-name e.g. kwaipilot/kat-coder-pro-v2
- The examples expect AI_GATEWAY_API_KEY; rename it only if your application config maps the new variable.
Compare KAT Coder Pro V2 Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenRouter | $0.30 | $1.20 |
| Vercel AI Gateway | $0.30 | $1.20 |
| Novita AI | $0.30 | $1.20 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.30 |
| Output tokens | $1.20 |
Capabilities
About KAT Coder Pro V2
KAT-Coder-Pro V2 is Kwaipilot's flagship agentic coding model, achieving 79.6% on SWE-Bench Verified (March 2026). Designed for complex enterprise software engineering tasks, multi-system coordination, and SaaS integration. Uses a 'Specialize-then-Unify' training paradigm with five specialized expert domains. Context: 256K tokens. Max output: 256K tokens (on Streamlake endpoint). Available via Vercel AI Gateway and OpenRouter.
FAQ
What does KAT Coder Pro V2 cost on Vercel AI Gateway?
On Vercel AI Gateway, KAT Coder Pro V2 costs $0.3 per 1M input tokens and $1.2 per 1M output tokens.
What is the context window for KAT Coder Pro V2 on Vercel AI Gateway?
KAT Coder Pro V2 supports a 256,000 token context window on Vercel AI Gateway.
How does Vercel AI Gateway compare to other KAT Coder Pro V2 providers?
KAT Coder Pro V2 is available from 3 providers. The cheapest input pricing is $0.3/1M tokens from OpenRouter.
What API model ID do I use for KAT Coder Pro V2 on Vercel AI Gateway?
Use the model ID kwaipilot/kat-coder-pro-v2 when calling Vercel AI Gateway's API.
Who created KAT Coder Pro V2?
KAT Coder Pro V2 was created by Kwaipilot as part of the KAT model family.
Is KAT Coder Pro V2 open source?
KAT Coder Pro V2 is not open source; the seed data lists it as proprietary.