E5 Large v2 vs Aya Expanse 32B

Compare E5 Large v2 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 E5 Large v2 Aya Expanse 32B
CategoryEmbeddingOpen Source
Parameters335M32B
Context Window512128K
Input Price$0.002/1M tokens$0.03/1M tokens
Output PriceN/A/1M tokens$0.06/1M tokens
Latency~20ms~250ms

Choose E5 Large v2 when:

  • ✓ Classical text search
  • ✓ RAG pipelines
  • ✓ Knowledge retrieval
Key Strengths:

1024 dimensions, Fast, Multi-lingual

Choose Aya Expanse 32B when:

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

23 languages, Open weights, Strong multilingual

Verdict: E5 Large v2 vs Aya Expanse 32B

For cost efficiency, E5 Large v2 wins at $0.002/1M input tokens. For speed, E5 Large v2 is faster at ~20ms. E5 Large v2 excels at Classical text search 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

E5 Large v2 costs $0.002/1M input tokens and N/A/1M output tokens. Aya Expanse 32B costs $0.03 input and $0.06 output. E5 Large v2 is 15.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

E5 Large v2 has a 512 context window with ~20ms latency. Aya Expanse 32B offers 128K context at ~250ms. Aya Expanse 32B has the larger context window.

Best For

E5 Large v2 (Embedding) is optimized for: Classical text search, RAG pipelines, Knowledge retrieval. 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 E5 Large v2
response_a = client.chat.completions.create(
    model="e5-large-v2",
    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, E5 Large v2 or Aya Expanse 32B?

E5 Large v2 (Embedding, 335M) offers 1024 dimensions. Aya Expanse 32B (Open Source, 32B) offers 23 languages. Choose E5 Large v2 for Classical text search or Aya Expanse 32B for Multilingual apps.

How much does E5 Large v2 cost vs Aya Expanse 32B?

E5 Large v2: $0.002/1M 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 E5 Large v2 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.