Voyage Large 2 vs OLMo 2 13B

Compare Voyage Large 2 and OLMo 2 13B: 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 Voyage Large 2 OLMo 2 13B
CategoryEmbeddingOpen Source
Parameters~500M13B
Context Window16K32K
Input Price$0.002/1M tokens$0.015/1M tokens
Output PriceN/A/1M tokens$0.03/1M tokens
Latency~25ms~120ms

Choose Voyage Large 2 when:

  • ✓ Code search
  • ✓ Long document RAG
  • ✓ Semantic matching
Key Strengths:

16K context, High quality, Good for code

Choose OLMo 2 13B when:

  • ✓ Research
  • ✓ Custom training
  • ✓ Transparency-required apps
Key Strengths:

Fully open (weights + data), Transparent, Research-friendly

Verdict: Voyage Large 2 vs OLMo 2 13B

For cost efficiency, Voyage Large 2 wins at $0.002/1M input tokens. For speed, OLMo 2 13B is faster at ~120ms. Voyage Large 2 excels at Code search while OLMo 2 13B is better for Research. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Voyage Large 2 costs $0.002/1M input tokens and N/A/1M output tokens. OLMo 2 13B costs $0.015 input and $0.03 output. Voyage Large 2 is 7.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Voyage Large 2 has a 16K context window with ~25ms latency. OLMo 2 13B offers 32K context at ~120ms. OLMo 2 13B has the larger context window.

Best For

Voyage Large 2 (Embedding) is optimized for: Code search, Long document RAG, Semantic matching. OLMo 2 13B (Open Source) works best for: Research, Custom training, Transparency-required apps.

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 Voyage Large 2
response_a = client.chat.completions.create(
    model="voyage-large-2",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use OLMo 2 13B
response_b = client.chat.completions.create(
    model="olmo-2-13b",
    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, Voyage Large 2 or OLMo 2 13B?

Voyage Large 2 (Embedding, ~500M) offers 16K context. OLMo 2 13B (Open Source, 13B) offers Fully open (weights + data). Choose Voyage Large 2 for Code search or OLMo 2 13B for Research.

How much does Voyage Large 2 cost vs OLMo 2 13B?

Voyage Large 2: $0.002/1M input, N/A/1M output. OLMo 2 13B: $0.015/1M input, $0.03/1M 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 Voyage Large 2 and OLMo 2 13B 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.