o3 vs IBM Granite 3.1 8B

Compare o3 and IBM Granite 3.1 8B: 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 o3 IBM Granite 3.1 8B
CategoryReasoningEnterprise
Parameters~1T8B
Context Window200K128K
Input Price$0.10/1M tokens$0.01/1M tokens
Output Price$0.40/1M tokens$0.02/1M tokens
Latency~2000ms~80ms

Choose o3 when:

  • ✓ Complex calculations
  • ✓ Multi-factor analysis
  • ✓ Research-grade work
Key Strengths:

Extended thinking, Complex logic, Mathematical reasoning

Choose IBM Granite 3.1 8B when:

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

Enterprise compliance, IP indemnification, 128K context

Verdict: o3 vs IBM Granite 3.1 8B

For cost efficiency, IBM Granite 3.1 8B wins at $0.01/1M input tokens. For speed, o3 is faster at ~2000ms. o3 excels at Complex calculations while IBM Granite 3.1 8B is better for Regulated industries. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

o3 costs $0.10/1M input tokens and $0.40/1M output tokens. IBM Granite 3.1 8B costs $0.01 input and $0.02 output. IBM Granite 3.1 8B is 10.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

o3 has a 200K context window with ~2000ms latency. IBM Granite 3.1 8B offers 128K context at ~80ms. o3 has the larger context window.

Best For

o3 (Reasoning) is optimized for: Complex calculations, Multi-factor analysis, Research-grade work. IBM Granite 3.1 8B (Enterprise) works best for: Regulated industries, Enterprise compliance, IBM ecosystem.

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 o3
response_a = client.chat.completions.create(
    model="o3",
    messages=[{"role": "user", "content": "Your question here"}]
)

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

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, o3 or IBM Granite 3.1 8B?

o3 (Reasoning, ~1T) offers Extended thinking. IBM Granite 3.1 8B (Enterprise, 8B) offers Enterprise compliance. Choose o3 for Complex calculations or IBM Granite 3.1 8B for Regulated industries.

How much does o3 cost vs IBM Granite 3.1 8B?

o3: $0.10/1M input, $0.40/1M output. IBM Granite 3.1 8B: $0.01/1M input, $0.02/1M 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 o3 and IBM Granite 3.1 8B 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.