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Qwen · Efficient

Qwen3 Coder Flash

Added Sep 17, 2025

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Use in the app

A speed‑optimized and budget‑friendly sibling to Coder Plus. Excellent at code generation and agentic workflows (tool use, environment interaction) with solid general‑purpose ability.

Input
Text
Output
Text
Discovery tier
Efficient

Pricing

USD per 1M tokens
Input
$0.30
Output
$1.50

Reference prices as published by the model provider. API example

Specifications

Context window
128K
Max output
65.5K

Side by side

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Public evaluations

Benchmarks

Independent evaluation results, with how each score ranks among the models in the Noumen catalog.

Intelligence Index

9.6

Better than 19% of 326 scored models

3.8Catalog models by score55.1

Indexes

  • Math Index

    29.0

    Composite of the math evaluations

    Better than 27% of 118 scored models

Document reasoning

  • AA-LCRv1.1

    32.7%

    Reasoning across long documents

    Better than 15% of 309 scored models

Reasoning and knowledge

  • Humanity’s Last Exam

    3.8%

    Expert-level questions across academic fields

    Better than 5% of 323 scored models

  • GPQA Diamond

    51.6%

    Graduate-level science questions

    Better than 10% of 291 scored models

  • MMLU-Pro

    70.6%

    Multi-subject knowledge and reasoning

    Better than 22% of 132 scored models

  • IFBench

    32.7%

    Following precise output instructions

    Better than 10% of 215 scored models

Coding

  • LiveCodeBench

    40.3%

    Recent competitive programming problems

    Better than 33% of 129 scored models

Math

  • AIME 2025

    29.0%

    Competition mathematics, 2025 problems

    Better than 27% of 118 scored models

  • AIME

    29.7%

    Competition mathematics

    Better than 38% of 72 scored models

  • MATH-500

    89.3%

    Competition math problems

    Better than 46% of 73 scored models

Legacy evaluations

  • Terminal-Bench Hard

    15.2%

    Earlier terminal task suite

    Better than 31% of 212 scored models

  • τ²-Bench Telecom

    34.5%

    Tool use in a customer-support simulation

    Better than 27% of 214 scored models

  • AA-LCR (unversioned)

    32.7%

    Long-context reasoning, earlier grading

    Better than 15% of 309 scored models

Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart
curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen/qwen3-coder-flash",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'
import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="qwen/qwen3-coder-flash",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

Qwen

Other Qwen models, starting with the same family.