E5 Large v2 vs Inflection 3 Pi

Compare E5 Large v2 and Inflection 3 Pi: 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 Inflection 3 Pi
CategoryEmbeddingCompact
Parameters335M~40B
Context Window512128K
Input Price$0.002/1M tokens$0.02/1M tokens
Output PriceN/A/1M tokens$0.04/1M tokens
Latency~20ms~150ms

Choose E5 Large v2 when:

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

1024 dimensions, Fast, Multi-lingual

Choose Inflection 3 Pi when:

  • ✓ Personal assistants
  • ✓ Chat companions
  • ✓ Support bots
Key Strengths:

Conversational, Empathetic, Fast

Verdict: E5 Large v2 vs Inflection 3 Pi

For cost efficiency, E5 Large v2 wins at $0.002/1M input tokens. For speed, Inflection 3 Pi is faster at ~150ms. E5 Large v2 excels at Classical text search while Inflection 3 Pi is better for Personal assistants. 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. Inflection 3 Pi costs $0.02 input and $0.04 output. E5 Large v2 is 10.0x 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. Inflection 3 Pi offers 128K context at ~150ms. Inflection 3 Pi has the larger context window.

Best For

E5 Large v2 (Embedding) is optimized for: Classical text search, RAG pipelines, Knowledge retrieval. Inflection 3 Pi (Compact) works best for: Personal assistants, Chat companions, Support bots.

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 Inflection 3 Pi
response_b = client.chat.completions.create(
    model="inflection-3-pi",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, E5 Large v2 or Inflection 3 Pi?

E5 Large v2 (Embedding, 335M) offers 1024 dimensions. Inflection 3 Pi (Compact, ~40B) offers Conversational. Choose E5 Large v2 for Classical text search or Inflection 3 Pi for Personal assistants.

How much does E5 Large v2 cost vs Inflection 3 Pi?

E5 Large v2: $0.002/1M input, N/A/1M output. Inflection 3 Pi: $0.02/1M input, $0.04/1M 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 Inflection 3 Pi 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.