BGE Large v1.5 vs Aya Expanse 32B

Compare BGE Large v1.5 and Aya Expanse 32B: 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 Large v1.5 Aya Expanse 32B
CategoryEmbeddingOpen Source
Parameters326M32B
Context Window512128K
Input Price$0.001/1M tokens$0.03/1M tokens
Output PriceN/A/1M tokens$0.06/1M tokens
Latency~15ms~250ms

Choose BGE Large v1.5 when:

  • ✓ Budget RAG
  • ✓ Knowledge bases
  • ✓ Document clustering
Key Strengths:

Very low cost, Good multilingual, Fast

Choose Aya Expanse 32B when:

  • ✓ Multilingual apps
  • ✓ Translation
  • ✓ Global content
Key Strengths:

23 languages, Open weights, Strong multilingual

Verdict: BGE Large v1.5 vs Aya Expanse 32B

For cost efficiency, BGE Large v1.5 wins at $0.001/1M input tokens. For speed, BGE Large v1.5 is faster at ~15ms. BGE Large v1.5 excels at Budget RAG while Aya Expanse 32B is better for Multilingual 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 Large v1.5 costs $0.001/1M input tokens and N/A/1M output tokens. Aya Expanse 32B costs $0.03 input and $0.06 output. BGE Large v1.5 is 30.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

BGE Large v1.5 has a 512 context window with ~15ms latency. Aya Expanse 32B offers 128K context at ~250ms. Aya Expanse 32B has the larger context window.

Best For

BGE Large v1.5 (Embedding) is optimized for: Budget RAG, Knowledge bases, Document clustering. Aya Expanse 32B (Open Source) works best for: Multilingual apps, Translation, Global content.

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 Large v1.5
response_a = client.chat.completions.create(
    model="bge-large-v1-5",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Aya Expanse 32B
response_b = client.chat.completions.create(
    model="c4ai-aya-expanse-32b",
    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 Large v1.5 or Aya Expanse 32B?

BGE Large v1.5 (Embedding, 326M) offers Very low cost. Aya Expanse 32B (Open Source, 32B) offers 23 languages. Choose BGE Large v1.5 for Budget RAG or Aya Expanse 32B for Multilingual apps.

How much does BGE Large v1.5 cost vs Aya Expanse 32B?

BGE Large v1.5: $0.001/1M input, N/A/1M output. Aya Expanse 32B: $0.03/1M input, $0.06/1M 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 Large v1.5 and Aya Expanse 32B 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.