Atlas / Models / Kwaipilot / Kwaipilot: KAT-Coder-Pro V1

Kwaipilot: KAT-Coder-Pro V1✓ Catalog verified

kwaipilot/kat-coder-pro

KAT-Coder-Pro V1 is KwaiKAT's most advanced agentic coding model in the KAT-Coder series. Designed specifically for agentic coding tasks, it excels in real-world software engineering scenarios, achieving 73.4% solve rate on the SWE-Bench Verified benchmark. The model has been optimized for tool-use capability, multi-turn interaction, instruction following, generalization, and comprehensive capabilities through a multi-stage training process, including mid-training, supervised fine-tuning (SFT), reinforcement fine-tuning (RFT), and scalable agentic RL.

Input price
$0.21 /1M
Output price
$0.83 /1M
Context
256K
Modalities
text
Released
Nov 10, 2025
Tool calling
✓ Yes
Atlas signal
85/100
01

Overview

KAT-Coder-Pro V1 is KwaiKAT's most advanced agentic coding model in the KAT-Coder series. Designed specifically for agentic coding tasks, it excels in real-world software engineering scenarios, achieving 73.4% solve rate on the SWE-Bench Verified benchmark. The model has been optimized for tool-use capability, multi-turn interaction, instruction following, generalization, and comprehensive capabilities through a multi-stage training process, including mid-training, supervised fine-tuning (SFT), reinforcement fine-tuning (RFT), and scalable agentic RL.

Access: available through the official Kwaipilot API. Context window: 256K.

Pricing and metadata from the ModelsAtlas catalog.Last refreshed Aug 5, 2026
02

Specifications

API identifierkwaipilot/kat-coder-pro
ProviderKwaipilot
Model typeText LLM
Context window256K catalog
Input modalitiestext
Output modalitiestext
ReleasedNov 10, 2025
ModeratedNo
Architecture modalitytext->text
Supported parameters
frequency_penaltylogit_biasmax_tokensmin_ppresence_penaltyrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Source: provider documentation + catalog feedMethodology →

API defaults

Default parameters
{
  "top_p": null,
  "temperature": null,
  "frequency_penalty": null
}
03

Pricing

Live pricing components for kwaipilot/kat-coder-pro as published in the catalog.

$0.21
Input /1M
$0.83
Output /1M
Per request
Per image
Pricing componentRaw unit priceNormalizedUnit
Prompt tokens$2.07e-7$0.21 / 1MPer input token
Completion tokens$8.28e-7$0.83 / 1MPer output token
Request feeN/AN/APer request
Image feeN/AN/APer image unit
Web search feeN/AN/APer search request
Source: catalog pricing feedCompare all pricing →Cheapest models →
04

Cost calculator

Estimate monthly spend from your own token volumes.

Scale / Volume

Estimated Total Cost

$0.27Calculated from current list pricing in the ModelsAtlas catalog.
05

Capabilities

CapabilityStatusWhat it means
Visual UnderstandingNot advertisedImage and document analysis support
Audio ProcessingNot advertisedSpeech and voice aligned flows
Tool Calling✓ SupportedSupports tools / function calling
Self-HostingNot advertisedDeploy outside managed APIs
Derived from catalog capability tags and supported parameters
06

Capability signals

Directional signals derived from model metadata and capability tags — not official benchmark submissions.

Kwaipilot: KAT-Coder-Pro V1
MMLU Signal (Reasoning)
79signal
Coding Signal (HumanEval proxy)
97signal
Math Signal (GSM8K proxy)
79signal
Science Signal (GPQA proxy)
83signal
Estimated from metadata — not an official benchmark runAll benchmarks →Methodology →
07

Quick start

Call Kwaipilot: KAT-Coder-Pro V1 through an OpenAI-compatible client.

from openai import OpenAI

client = OpenAI(
    base_url="https://openrouter.ai/api/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="kwaipilot/kat-coder-pro",
    messages=[{"role": "user", "content": "Explain quantum physics."}]
)

print(response.choices[0].message.content)
08

Alternatives

Closest models by context window from a different provider.

09

Sources & attribution

Pricing and metadata are maintained in the ModelsAtlas catalog.

Capability bars use metadata tags — directional estimates onlyHow we source and verify data →
10

Frequently asked questions

How much does Kwaipilot: KAT-Coder-Pro V1 cost?

$0.21 per 1M input tokens and $0.83 per 1M output tokens on the official Kwaipilot API.

What is the context window of Kwaipilot: KAT-Coder-Pro V1?

Kwaipilot: KAT-Coder-Pro V1 supports up to 256K tokens of context.

Does Kwaipilot: KAT-Coder-Pro V1 support tool / function calling?

Yes, Kwaipilot: KAT-Coder-Pro V1 supports tool / function calling — you can register tools and the model will emit structured tool calls.

How do I access Kwaipilot: KAT-Coder-Pro V1?

Use the official Kwaipilot API with the model id `kwaipilot/kat-coder-pro`. See the Quick start section above for code examples.