Llama 3.1 405B vs Ideogram V3

Compare Llama 3.1 405B and Ideogram V3: 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 Llama 3.1 405B Ideogram V3
CategoryOpen SourceImage
Parameters405B~3B
Context Window128KN/A
Input Price$0.08/1M tokens$0.004/image/1M tokens
Output Price$0.14/1M tokensN/A/1M tokens
Latency~600ms~3s

Choose Llama 3.1 405B when:

  • ✓ Premium tasks
  • ✓ Research
  • ✓ Fine-tuning base
Key Strengths:

Largest open model, Highest open-source quality

Choose Ideogram V3 when:

  • ✓ Temple banners with text
  • ✓ Festival graphics
  • ✓ Devotional posters
Key Strengths:

Best text rendering, Accurate scripts, Multiple styles

Verdict: Llama 3.1 405B vs Ideogram V3

For cost efficiency, Ideogram V3 wins at $0.004/image/1M input tokens. For speed, Ideogram V3 is faster at ~3s. Llama 3.1 405B excels at Premium tasks while Ideogram V3 is better for Temple banners with text. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

Llama 3.1 405B costs $0.08/1M input tokens and $0.14/1M output tokens. Ideogram V3 costs $0.004/image input and N/A output. Ideogram V3 is 20.0x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

Llama 3.1 405B has a 128K context window with ~600ms latency. Ideogram V3 offers N/A context at ~3s. Llama 3.1 405B has the larger context window.

Best For

Llama 3.1 405B (Open Source) is optimized for: Premium tasks, Research, Fine-tuning base. Ideogram V3 (Image) works best for: Temple banners with text, Festival graphics, Devotional posters.

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 Llama 3.1 405B
response_a = client.chat.completions.create(
    model="llama-3-1-405b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use Ideogram V3
response_b = client.chat.completions.create(
    model="ideogram-v3",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, Llama 3.1 405B or Ideogram V3?

Llama 3.1 405B (Open Source, 405B) offers Largest open model. Ideogram V3 (Image, ~3B) offers Best text rendering. Choose Llama 3.1 405B for Premium tasks or Ideogram V3 for Temple banners with text.

How much does Llama 3.1 405B cost vs Ideogram V3?

Llama 3.1 405B: $0.08/1M input, $0.14/1M output. Ideogram V3: $0.004/image/1M input, N/A/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 Llama 3.1 405B and Ideogram V3 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.