BGE Reranker v2 vs Amazon Nova Pro

Compare BGE Reranker v2 and Amazon Nova Pro: 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 BGE Reranker v2 Amazon Nova Pro
CategoryRerankingFrontier
Parameters568M~300B
Context Window8K300K
Input Price$0.003/1M tokens$0.008/1M tokens
Output PriceN/A/1M tokens$0.032/1M tokens
Latency~30ms~300ms

Choose BGE Reranker v2 when:

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

High precision, Cross-encoder, Improves RAG quality

Choose Amazon Nova Pro when:

  • ✓ Budget apps
  • ✓ Document analysis
  • ✓ Enterprise
Key Strengths:

Very low cost, 300K context, Multimodal

Verdict: BGE Reranker v2 vs Amazon Nova Pro

For cost efficiency, BGE Reranker v2 wins at $0.003/1M input tokens. For speed, Amazon Nova Pro is faster at ~300ms. BGE Reranker v2 excels at RAG reranking while Amazon Nova Pro is better for Budget apps. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

BGE Reranker v2 costs $0.003/1M input tokens and N/A/1M output tokens. Amazon Nova Pro costs $0.008 input and $0.032 output. BGE Reranker v2 is 2.7x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

BGE Reranker v2 has a 8K context window with ~30ms latency. Amazon Nova Pro offers 300K context at ~300ms. Amazon Nova Pro has the larger context window.

Best For

BGE Reranker v2 (Reranking) is optimized for: RAG reranking, Search improvement, Citation accuracy. Amazon Nova Pro (Frontier) works best for: Budget apps, Document analysis, Enterprise.

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

# Use Amazon Nova Pro
response_b = client.chat.completions.create(
    model="amazon-nova-pro",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, BGE Reranker v2 or Amazon Nova Pro?

BGE Reranker v2 (Reranking, 568M) offers High precision. Amazon Nova Pro (Frontier, ~300B) offers Very low cost. Choose BGE Reranker v2 for RAG reranking or Amazon Nova Pro for Budget apps.

How much does BGE Reranker v2 cost vs Amazon Nova Pro?

BGE Reranker v2: $0.003/1M input, N/A/1M output. Amazon Nova Pro: $0.008/1M input, $0.032/1M 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 BGE Reranker v2 and Amazon Nova Pro 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.