IBM Granite 3.1 8B vs IBM Granite 3.1 2B

Compare IBM Granite 3.1 8B and IBM Granite 3.1 2B: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

All IBM models All IBM models What is an LLM API? Python Quickstart What is inference?
Feature IBM Granite 3.1 8B IBM Granite 3.1 2B
CategoryEnterpriseCompact
Parameters8B2B
Context Window128K128K
Input Price$0.01/1M tokens$0.004/1M tokens
Output Price$0.02/1M tokens$0.008/1M tokens
Latency~80ms~30ms

Choose IBM Granite 3.1 8B when:

  • ✓ Regulated industries
  • ✓ Enterprise compliance
  • ✓ IBM ecosystem
Key Strengths:

Enterprise compliance, IP indemnification, 128K context

Choose IBM Granite 3.1 2B when:

  • ✓ Edge enterprise
  • ✓ Compliance-required
  • ✓ Fast classification
Key Strengths:

Enterprise-grade, Tiny, 128K context

Verdict: IBM Granite 3.1 8B vs IBM Granite 3.1 2B

For cost efficiency, IBM Granite 3.1 2B wins at $0.004/1M input tokens. For speed, IBM Granite 3.1 2B is faster at ~30ms. IBM Granite 3.1 8B excels at Regulated industries while IBM Granite 3.1 2B is better for Edge enterprise. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

IBM Granite 3.1 8B costs $0.01/1M input tokens and $0.02/1M output tokens. IBM Granite 3.1 2B costs $0.004 input and $0.008 output. IBM Granite 3.1 2B is 2.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

IBM Granite 3.1 8B has a 128K context window with ~80ms latency. IBM Granite 3.1 2B offers 128K context at ~30ms. Both have identical context windows.

Best For

IBM Granite 3.1 8B (Enterprise) is optimized for: Regulated industries, Enterprise compliance, IBM ecosystem. IBM Granite 3.1 2B (Compact) works best for: Edge enterprise, Compliance-required, Fast classification.

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 IBM Granite 3.1 8B
response_a = client.chat.completions.create(
    model="granite-3-1-8b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use IBM Granite 3.1 2B
response_b = client.chat.completions.create(
    model="granite-3-1-2b",
    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, IBM Granite 3.1 8B or IBM Granite 3.1 2B?

IBM Granite 3.1 8B (Enterprise, 8B) offers Enterprise compliance. IBM Granite 3.1 2B (Compact, 2B) offers Enterprise-grade. Choose IBM Granite 3.1 8B for Regulated industries or IBM Granite 3.1 2B for Edge enterprise.

How much does IBM Granite 3.1 8B cost vs IBM Granite 3.1 2B?

IBM Granite 3.1 8B: $0.01/1M input, $0.02/1M output. IBM Granite 3.1 2B: $0.004/1M input, $0.008/1M 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 IBM Granite 3.1 8B and IBM Granite 3.1 2B by changing the model parameter. No code changes needed.

Related Comparisons

IBM Granite 3.1 8B vs GPT-4.1 Nano IBM Granite 3.1 8B vs GPT-4o Mini IBM Granite 3.1 8B vs Claude Haiku 3.5 IBM Granite 3.1 8B vs Gemma 3 12B IBM Granite 3.1 8B vs Gemma 3 4B IBM Granite 3.1 8B vs Gemini 2.5 Flash Lite

Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.