Llama 4 Scout vs BGE Reranker v2

Compare Llama 4 Scout and BGE Reranker v2: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

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Feature Llama 4 Scout BGE Reranker v2
CategoryOpen SourceReranking
Parameters109B (17B active)568M
Context Window512K8K
Input Price$0.05/1M tokens$0.003/1M tokens
Output Price$0.08/1M tokensN/A/1M tokens
Latency~350ms~30ms

Choose Llama 4 Scout when:

  • ✓ Classical text analysis
  • ✓ Long content
  • ✓ Multi-turn
Key Strengths:

512K context, MoE efficiency, Strong multilingual

Choose BGE Reranker v2 when:

  • ✓ RAG reranking
  • ✓ Search improvement
  • ✓ Citation accuracy
Key Strengths:

High precision, Cross-encoder, Improves RAG quality

Verdict: Llama 4 Scout vs BGE Reranker v2

For cost efficiency, BGE Reranker v2 wins at $0.003/1M input tokens. For speed, BGE Reranker v2 is faster at ~30ms. Llama 4 Scout excels at Classical text analysis while BGE Reranker v2 is better for RAG reranking. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Llama 4 Scout costs $0.05/1M input tokens and $0.08/1M output tokens. BGE Reranker v2 costs $0.003 input and N/A output. BGE Reranker v2 is 16.7x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Llama 4 Scout has a 512K context window with ~350ms latency. BGE Reranker v2 offers 8K context at ~30ms. Llama 4 Scout has the larger context window.

Best For

Llama 4 Scout (Open Source) is optimized for: Classical text analysis, Long content, Multi-turn. BGE Reranker v2 (Reranking) works best for: RAG reranking, Search improvement, Citation accuracy.

Try Both on XALEN

Both models are available through XALEN's OpenAI-compatible API. Switch between them by changing the model parameter:

from xalen import XALEN

client = XALEN(api_key="xln_test_YOUR_KEY")

# Use Llama 4 Scout
response_a = client.chat.completions.create(
    model="llama-4-scout",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use BGE Reranker v2
response_b = client.chat.completions.create(
    model="bge-reranker-v2",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Llama 4 Scout or BGE Reranker v2?

Llama 4 Scout (Open Source, 109B (17B active)) offers 512K context. BGE Reranker v2 (Reranking, 568M) offers High precision. Choose Llama 4 Scout for Classical text analysis or BGE Reranker v2 for RAG reranking.

How much does Llama 4 Scout cost vs BGE Reranker v2?

Llama 4 Scout: $0.05/1M input, $0.08/1M output. BGE Reranker v2: $0.003/1M input, N/A/1M output. Both available on XALEN with batch processing at 50% discount.

Can I use both models on XALEN?

Yes. XALEN provides 200+ models through a single OpenAI-compatible API. Switch between Llama 4 Scout and BGE Reranker v2 by changing the model parameter. No code changes needed.

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Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.