AI 模型情報

Qwen3 4B

novita-ai/qwen3-4b

出品方: novita-ai · 發布 2025-04-29

⚠ 本模型為社群微調 / 衍生版本,並非廠商官方發布。

$0.030
輸入 / 1M token
$0.030
輸出 / 1M token
128K
上下文長度
20K
最大輸出

Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.

能力清單

工具呼叫推理? 結構化輸出附件開放權重溫度可調
支援模態: 輸入 text · 輸出 text

Model fit scores

0–100 · higher is better

These scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.

Coding13
  • Tool calling0/40
  • Structured output0/20
  • Reasoning10/10
  • Context window (100K → 1M)2/20
  • Provider availability1/10
Agents28
  • Tool calling0/35
  • Structured output0/25
  • Reasoning15/15
  • Output token limit12/15
  • Provider availability1/10
JSON / structured output30
  • Structured output / JSON mode0/50
  • Tool calling0/20
  • Temperature control10/10
  • Price-friendly for high-volume20/20
Cost efficiency91
  • Headline price (log-scaled)91/95
  • Has prompt-cache pricing0/5
Long context45
  • Context window (100K → 2M)35/90
  • Has published price for full window10/10
Production-readiness50
  • Number of independent providers5/40
  • Has published per-token price20/20
  • Context window ≥ 8K15/15
  • No data inconsistencies across providers10/10
  • Official model (not derivative)0/15

Cost Efficiency Index

Open full calculator →

Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.

ScenarioCostAssumption
RAG answer
per 1,000 RAG answers
$0.17
< $0.01 per request
5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot.
Support ticket triage
per 10,000 tickets
$0.33
< $0.01 per request
1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support.
Data extraction
per 1,000 documents
$0.07
< $0.01 per request
2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines.
Code review
per 1,000 PRs
$0.27
< $0.01 per request
8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads.
Agent step
per 1,000 steps
$0.38
< $0.01 per request
12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step.

定價詳情

推薦定價來自 novita-ai · qwen/qwen3-4b-fp8

$0.030
輸入
$0.030
輸出

於 1 家供應商可用

服務商服務商模型 ID輸入 / 1M輸出 / 1M上下文發布日期
NovitaAI
novita-ai
qwen/qwen3-4b-fp8$0.030$0.030128K2025-04-29

Frequently asked questions

How much does Qwen3 4B cost?

Qwen3 4B costs $0.030 per 1M input tokens and $0.030 per 1M output tokens, sourced from novita-ai. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.

What is the context window of Qwen3 4B?

Qwen3 4B has a context window of 128K tokens, with a max output of 20K tokens per reply. This is the total combined size of prompt + completion.

Does Qwen3 4B support tool calling?

No. Qwen3 4B does not support tool calling (function calling). If your workflow requires it, look at the /capabilities/tool-calling list for alternatives.

Does Qwen3 4B support structured output / JSON mode?

Support for structured output / JSON-schema-constrained decoding is not reported for Qwen3 4B in our data source. Verify with novita-ai's official documentation before relying on it in production.

Can Qwen3 4B accept image input?

No. Qwen3 4B only accepts text as input. If you need image input, see our /capabilities/vision list for current vision-capable models.

Is Qwen3 4B open-weight?

Yes. Qwen3 4B's weights are publicly available, so you can self-host or fine-tune. Note that open weights ≠ open source — the training data and code are typically not released.

What are the best alternatives to Qwen3 4B?

If Qwen3 4B doesn't fit, consider Ling-2.6-1T, Ling-2.6-flash, PaddleOCR-VL. Each one targets the same use case — see the Related links below for direct head-to-head pages.

Where does this data come from?

All numbers come from the public models.dev API and are normalised into a single canonical model record. We re-pull daily and write any changes (price, context, capability) to the /changelog page.

More novita-ai models

Capability lists this model is in

最近更新:

Data is sourced from models.dev and normalized for comparison. Prices and capabilities may change. Always verify critical production decisions with the provider's official documentation.