Imagen 3 vs Grok 3
Compare Imagen 3 and Grok 3: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.
Updated 2026-05-21 · By Abhishek Raj · Our methodology
| Feature | Imagen 3 | Grok 3 |
|---|---|---|
| Category | Image | Frontier |
| Parameters | ~5B | ~800B |
| Context Window | N/A | 128K |
| Input Price | $0.04/image/1M tokens | $0.10/1M tokens |
| Output Price | N/A/1M tokens | $0.25/1M tokens |
| Latency | ~4s | ~500ms |
Choose Imagen 3 when:
- ✓ Product photography
- ✓ Marketing visuals
- ✓ Social media
Photorealistic quality, Good text rendering, Safe outputs
Choose Grok 3 when:
- ✓ Transit predictions
- ✓ Creative interpretations
- ✓ Research
Strong reasoning, Real-time knowledge, Creative output
Verdict: Imagen 3 vs Grok 3
For cost efficiency, Imagen 3 wins at $0.04/image/1M input tokens. For speed, Imagen 3 is faster at ~4s. Imagen 3 excels at Product photography while Grok 3 is better for Transit predictions. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Imagen 3 costs $0.04/image/1M input tokens and N/A/1M output tokens. Grok 3 costs $0.10 input and $0.25 output. Imagen 3 is 2.5x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Imagen 3 has a N/A context window with ~4s latency. Grok 3 offers 128K context at ~500ms. Grok 3 has the larger context window.
Best For
Imagen 3 (Image) is optimized for: Product photography, Marketing visuals, Social media. Grok 3 (Frontier) works best for: Transit predictions, Creative interpretations, Research.
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 Imagen 3
response_a = client.chat.completions.create(
model="imagen-3",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Grok 3
response_b = client.chat.completions.create(
model="grok-3",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Imagen 3 or Grok 3?
Imagen 3 (Image, ~5B) offers Photorealistic quality. Grok 3 (Frontier, ~800B) offers Strong reasoning. Choose Imagen 3 for Product photography or Grok 3 for Transit predictions.
How much does Imagen 3 cost vs Grok 3?
Imagen 3: $0.04/image/1M input, N/A/1M output. Grok 3: $0.10/1M input, $0.25/1M 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 Imagen 3 and Grok 3 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.