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Qwen3 4B

Achieves effective integration of reasoning and non-reasoning modes, allowing seamless switching during conversations.

text → text · made by Alibaba

$0.03$0.03per Mtok in / out
Novita AI · 3 sellers

Sold by 3 ways

SellerLaneRate
Novita AI aggregatorstandard$0.03per Mtok in$0.03per Mtok outapi.novita.ai · read 2026-08-25
Fireworks AI aggregatorstandard$0.2per Mtok in$0.2per Mtok outraw.githubusercontent.com · read 2026-09-16
PPIO aggregatorstandard$0.21per Mtok in$0.21per Mtok outapi.ppinfra.com · read 2026-09-10

Measured 3 standings

PlaceBoardMetricScore
22ndof 105Vectara Hallucination LeaderboardHallucination Rate5.7
188thof 222Chess puzzles — Epoch AImean_score (none)1
224thof 313GPQA Diamondmean_score52.336

About

Qwen3 4B — a text model from Alibaba, sold by 3 companies from $0.03 in and $0.03 out per million tokens, placed 22nd of 105 on Vectara Hallucination Leaderboard.

It takes text and returns text, with a context window of 128,000 tokens. It was published in April 2025. Its sellers say it can reason step by step. The catalogue files it under reasoning. Three companies sell it. The cheapest is $0.03 in and $0.03 out per million tokens at Novita AI. It has been measured on 3 boards, and stands best at 22nd of 105 on Vectara Hallucination Leaderboard.

Every current figure

Maker
Alibaba
Register
model
Takes
text
Returns
text
Context
128,000 tokens
Longest answer
20,000 tokens
Published
April 2025
Parameters
4 billion · read from its own name
Licence
not read
Sellers
3
Maker's own price
not read
Price
$0.03 in and $0.03 out per million tokens — Novita AI
Boards
3
Best place
22nd of 105 — Vectara Hallucination Leaderboard

Known as 1 name

qwen/qwen3-4b-fp8