Gemini 2.5 Pro vs Jamba 1.5 Large

Compare Gemini 2.5 Pro and Jamba 1.5 Large: 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 Gemini 2.5 Pro Jamba 1.5 Large
CategoryFrontierEnterprise
Parameters~1.5T398B (94B active)
Context Window2M256K
Input Price$0.07/1M tokens$0.08/1M tokens
Output Price$0.21/1M tokens$0.14/1M tokens
Latency~600ms~500ms

Choose Gemini 2.5 Pro when:

  • ✓ Classical text analysis
  • ✓ Multi-document reports
  • ✓ Research
Key Strengths:

2M context, Strong multimodal, Long text analysis

Choose Jamba 1.5 Large when:

  • ✓ Full text processing
  • ✓ Comprehensive reports
  • ✓ Long analysis
Key Strengths:

256K context, SSM-Transformer hybrid, Good summarization

Verdict: Gemini 2.5 Pro vs Jamba 1.5 Large

For cost efficiency, Gemini 2.5 Pro wins at $0.07/1M input tokens. For speed, Jamba 1.5 Large is faster at ~500ms. Gemini 2.5 Pro excels at Classical text analysis while Jamba 1.5 Large is better for Full text processing. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Gemini 2.5 Pro costs $0.07/1M input tokens and $0.21/1M output tokens. Jamba 1.5 Large costs $0.08 input and $0.14 output. Gemini 2.5 Pro is 1.1x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Gemini 2.5 Pro has a 2M context window with ~600ms latency. Jamba 1.5 Large offers 256K context at ~500ms. Gemini 2.5 Pro has the larger context window.

Best For

Gemini 2.5 Pro (Frontier) is optimized for: Classical text analysis, Multi-document reports, Research. Jamba 1.5 Large (Enterprise) works best for: Full text processing, Comprehensive reports, Long analysis.

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 Gemini 2.5 Pro
response_a = client.chat.completions.create(
    model="gemini-2-5-pro",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Jamba 1.5 Large
response_b = client.chat.completions.create(
    model="jamba-1-5-large",
    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, Gemini 2.5 Pro or Jamba 1.5 Large?

Gemini 2.5 Pro (Frontier, ~1.5T) offers 2M context. Jamba 1.5 Large (Enterprise, 398B (94B active)) offers 256K context. Choose Gemini 2.5 Pro for Classical text analysis or Jamba 1.5 Large for Full text processing.

How much does Gemini 2.5 Pro cost vs Jamba 1.5 Large?

Gemini 2.5 Pro: $0.07/1M input, $0.21/1M output. Jamba 1.5 Large: $0.08/1M input, $0.14/1M 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 Gemini 2.5 Pro and Jamba 1.5 Large 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.