Qwen3 Reranker 8B

Qwen3 Reranker 8B is Alibaba's model for scoring how well a document answers a query.

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input · usd / 1m tok

$0.20

output · usd / 1m tok

$0.00

context window

40.96ktokens

modalities · in → out

takes text in, gives relevance scores out

pricing

base api ratesusd per 1m tokens

input
$0.20

providers

Fireworks hosts Qwen3 Reranker 8B. Impossibl routes your request intelligently and handles failover automatically when a provider is down.

  • Fireworks

specifications

takes text in, gives relevance scores outqwen/qwen3-reranker-8b

  • creatorQwen
  • model typeReranking
  • context window40,960 tokens
  • maximum outputnot published
  • input

    takes text in, gives relevance scores out

  • outputranked relevance scores
  • tool callingnot supported
  • endpoint/v1/rerank

unknown means the public catalog does not establish that fact. a model's documented capabilities can differ from what a particular api supports. see the model documentation for integration details.

use it · rank documents by relevance

curl https://api.impossibl.com/v1/rerank \
  -H "Authorization: Bearer $AI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "model": "qwen/qwen3-reranker-8b",
  "query": "Which document describes machine learning?",
  "documents": [
    "The weather is sunny today.",
    "Machine learning finds patterns in data."
  ],
  "top_n": 1
}'

returns document indices and relevance scores, highest first. billed on input tokens only. reranking guide

benchmarks

benchmark results are not available for this model yet.

frequently asked questions

What is Qwen3 Reranker 8B?

Qwen3 Reranker 8B is Alibaba's model for scoring how well a document answers a query. It reorders candidate documents by relevance to refine search results and select context for retrieval-augmented generation.

How much does Qwen3 Reranker 8B cost?

Qwen3 Reranker 8B costs $0.20 per million input tokens through the Impossibl API. All rates are in USD.

view the pricing table ↑

What is the context length of Qwen3 Reranker 8B?

Qwen3 Reranker 8B has a 40,960-token context window through the Impossibl API.

Does Qwen3 Reranker 8B support tool calling?

No. Qwen3 Reranker 8B does not support tool calling through the Impossibl API.

What inputs and outputs does Qwen3 Reranker 8B support?

Qwen3 Reranker 8B accepts text as input. Qwen3 Reranker 8B returns ranked relevance scores.

How do I use Qwen3 Reranker 8B through an API?

Qwen3 Reranker 8B is available through the Impossibl API. Use qwen/qwen3-reranker-8b as the model identifier with /v1/rerank. The quickstart explains how to create an API key and send your first request.

follow the api quickstart →

this page describes Qwen3 Reranker 8B as listed by the impossibl public api. prices and availability come from that catalog, refreshed here every five minutes. this is an impossibl offering, not a comparison of independent hosting-provider quotes. model descriptions and release dates, where available, use the creator sources linked under the answers above.

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