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Kopro 4.0 Overview Models Examples Evaluations API Get it
New models · October 2026

Introducing Kopro 4.0

Two models in one generation. Kopro 4.0 Pro writes and fixes code and works as an agent. Kopro 4.0 Flash is a fast everyday assistant. Both speak English and Russian.

Get Kopro 4.0 See evaluations
Kopro 4

A Pro and a Flash, built on Qwen3

Kopro 4.0 is a two-model generation. Pro is fine-tuned from Qwen3-Coder-30B-A3B, a mixture-of-experts coding model. Flash is fine-tuned from Qwen3-14B with thinking turned off, so it answers right away.

Both are quantized to 4-bit (Q4_K_M) and run on a single 24 GB GPU. Pro activates only about 3.3 billion of its 30.5 billion parameters for each token, which is why the bigger model is also the faster one.

0B
Pro parameters, 3.3B active
0B
Flash parameters
0
languages: English and Russian
0
training conversations
Models

Pick the right one

Kopro 4.0 Pro

Code, agents, tool calling
Base modelQwen3-Coder-30B-A3B
ArchitectureMoE · 128 experts, 8 active
Parameters30.5B / 3.3B
Transformer blocks48
Attention heads (Q / KV)32 / 4
Native context262,144
Tool callingYes
QuantizationQ4_K_M · 18.6 GB

Kopro 4.0 Flash

Everyday chat, fast answers
Base modelQwen3-14B
ArchitectureDense · thinking off
Parameters14.8B
Transformer blocks40
Attention heads (Q / KV)40 / 8
Native context32,768
Tool callingNot tuned
QuantizationQ4_K_M · 9.0 GB

What we tuned them on

Each model got its own dataset, split almost evenly between English and Russian. We trained LoRA adapters (rank 16) for two epochs, with the loss on assistant turns only. Validation loss stayed flat between epochs, so neither model overfit.

Kopro 4.0 ProKopro 4.0 Flash
Training conversations7701,380
English / Russian54% / 46%50% / 50%
Multi-turn conversations4792
Code (short + long)234137
Agent trajectories with tool calls300
Testing and debugging4631
Everyday advice, science, tech, cooking119510
Validation loss (epoch 1 → 2)1.090 → 1.0951.567 → 1.559
Training time, 1× RTX PRO 600012 min3.5 min
Evaluations

How Kopro 4.0 performs

We ran both models through the same 14 evaluations shown on our home page: 11 auto-graded questions each, temperature 0.

Kopro 4.0 Pro Kopro 4.0 Flash Kopro 3.0
These are compact in-house proxy tests named after the benchmarks they are modeled on, not the official suites. Kopro 4.0 answered each set of 11 questions in one request; Kopro 3.0 answered them one by one. One question moves a score by 9.1 points.

Real answers, unedited

Single replies from the deployed models, with only the system prompt that names the model.

Kopro 4.0 Pro
Write a FastAPI endpoint GET /time that returns the current UTC time in ISO 8601 format as JSON, plus a pytest test for it.
from datetime import datetime
from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()

class TimeResponse(BaseModel):
    timestamp: str

@app.get("/time", response_model=TimeResponse)
async def get_time():
    return TimeResponse(timestamp=datetime.utcnow().isoformat() + "Z")

def test_get_time():
    from fastapi.testclient import TestClient
    client = TestClient(app)
    response = client.get("/time")
    assert response.status_code == 200
    data = response.json()
    assert "timestamp" in data
    assert data["timestamp"].endswith("Z")
Running pytest will execute this test automatically. Do not forget to install `pytest` and `httpx` to run the test client without errors.
Kopro 4.0 Pro
В чём разница между процессом и потоком? Объясни коротко.
Процесс — это отдельный запущенный экземпляр программы, с собственным адресным пространством, правами и ресурсами. Поток — это поток исполнения внутри процесса, разделяющий общее адресное пространство с другими потоками этого же процесса. Один процесс может содержать несколько потоков.
Kopro 4.0 Flash
I have eggs, rice and some leftover chicken. What should I cook tonight?
Make a one-pot fried rice with beaten eggs, diced chicken, and frozen mixed vegetables. Add soy sauce, a splash of rice wine or water, and a dash of sesame oil. Cook everything together over medium-high heat for ten minutes. It's simple, requires zero chopping, and you will finish it in twenty minutes.

Generation speed

Measured on a single 24 GB GPU slice with a warm model. Pro is faster than Flash because only about 3.3B of its parameters work on each token. Earlier Kopro models were measured on our CPU servers, so they are not on this chart.

From 1.0 to 4.0

Kopro FlashLlama · 1.2B
Ultra-fast replies for chat loops and voice.
Kopro 2.0 · 2.0 ProQwen 2.5 · Qwen 2 Math
Next-gen reasoning and code, plus a math specialist.
Kopro 3.0Llama 3.2 · 3.2B
Natural conversation in English.
Kopro 4.0 Pro · 4.0 FlashQwen3-Coder 30B-A3B · Qwen3 14B
A coding agent and a fast assistant, both bilingual.

Open weights on Hugging Face

Both models are published as GGUF files with their LoRA adapters. Run them locally with Ollama or llama.cpp.

bash
ollama run hf.co/Kvikontent/kopro-4.0-pro-GGUF:Q4_K_M
ollama run hf.co/Kvikontent/kopro-4.0-flash-GGUF:Q4_K_M

Download Kopro 4.0