Kyma APIKyma API
Alibaba

Alibaba

Qwen3 Embedding 4B

2560-dimension embeddings — the middle of the Qwen3 retrieval line by recall, not by price. The 8B is both better and cheaper; this SKU costs twice as much per million tokens. Reach for the 4B only when the index is already fixed at 2560 dimensions.

Modalities

Text → Text

Usage

How much this model is actually called here.

Rank

#81

of 98 active models

Tokens served

49.4K

all-time

Platform share

0.0%

of all tokens

Tokens · last 15 daysSep 3 → Sep 17

Pricing

Pay per token. Cached input bills at this model’s own cached rate, listed below.

$0.027 /1M input$0.00 /1M output
Hobby10 req/day · 2K in / 500 out
~$0.02/mo
Production1,000 req/day · 2K in / 500 out
~$1.62/mo
Scale20,000 req/day · 2K in / 500 out
~$32.40/mo
+ Estimate your workload
1,000
2,000
500

Estimated monthly cost

$1.62

$0.0540 / day on Qwen3 Embedding 4B

Same workload on:

Qwen 3.8 27B$94.77+5750%
Qwen 3.7 Flash$6.23+285%

Estimates use list pricing. Actual bills depend on real token counts, and every response includes its exact cost.

How it compares

Against the peers people actually weigh it against.

SpecQwen3 Embedding 4BQwen 3.8 27BQwen 3.7 Flash
Input /1M$0.027$0.567$0.0498
Output /1M$0.00$4.05$0.2164
Context33K1M1M
ToolsNoYesYes
ReasoningNoYesYes
Throughput1139 tok/s46 tok/s118 tok/s

Quick start

Up and running in under two minutes.

  1. 1

    Create an API key

    Sign up and grab a key from the dashboard — $0.50 free credit on the free tier, which covers Qwen3 Embedding 4B. No card required.

    Get API key →
  2. 2

    Make your first request

    Submit a generation job and poll until it succeeds.

    curl https://kymaapi.com/v1/embeddings \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "qwen3-embedding-4b",
    "input": ["first document", "second document"]
  }'

FAQ

Common questions about this model.

What is the context window of Qwen3 Embedding 4B?

Qwen3 Embedding 4B has a 33K-token context window — roughly 48 pages of text in a single request.

How much does the Qwen3 Embedding 4B API cost?

$0.027 per 1M input tokens and $0.00 per 1M output tokens. No subscription; you pay only for what you use.

Does Qwen3 Embedding 4B support function calling?

No — Qwen3 Embedding 4B does not support tool calling. For agent workloads, choose a tools-enabled model from the catalog.

How do I use Qwen3 Embedding 4B?

Kyma is OpenAI-compatible: point your SDK's base URL at https://kymaapi.com/v1, use your Kyma API key, and set the model to qwen3-embedding-4b. Signing up is free and includes $0.50 of credit on the free tier, which covers this model — no card required.

Start with $0.50 free credit on the free tier — no card required.Create account →

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ModelContextInputOutput
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AlibabaQwen 3.7 Flash1M$0.0498$0.2164
AlibabaQwen 3.7 Plus1M$0.4431$1.773
AlibabaQwen 3.7 Max1M$2.304$6.909
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