Imagen 3 vs Grok 2
Compare Imagen 3 and Grok 2: 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 2 |
|---|---|---|
| Category | Image | Open Source |
| Parameters | ~5B | ~300B |
| Context Window | N/A | 128K |
| Input Price | $0.04/image/1M tokens | $0.05/1M tokens |
| Output Price | N/A/1M tokens | $0.10/1M tokens |
| Latency | ~4s | ~350ms |
Choose Imagen 3 when:
- ✓ Product photography
- ✓ Marketing visuals
- ✓ Social media
Photorealistic quality, Good text rendering, Safe outputs
Choose Grok 2 when:
- ✓ General purpose
- ✓ Content generation
- ✓ Analysis
Proven model, Good reasoning, Reliable
Verdict: Imagen 3 vs Grok 2
For cost efficiency, Imagen 3 wins at $0.04/image/1M input tokens. For speed, Grok 2 is faster at ~350ms. Imagen 3 excels at Product photography while Grok 2 is better for General purpose. 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 2 costs $0.05 input and $0.10 output. Imagen 3 is 1.3x 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 2 offers 128K context at ~350ms. Grok 2 has the larger context window.
Best For
Imagen 3 (Image) is optimized for: Product photography, Marketing visuals, Social media. Grok 2 (Open Source) works best for: General purpose, Content generation, 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 Imagen 3
response_a = client.chat.completions.create(
model="imagen-3",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Grok 2
response_b = client.chat.completions.create(
model="grok-2",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Imagen 3 or Grok 2?
Imagen 3 (Image, ~5B) offers Photorealistic quality. Grok 2 (Open Source, ~300B) offers Proven model. Choose Imagen 3 for Product photography or Grok 2 for General purpose.
How much does Imagen 3 cost vs Grok 2?
Imagen 3: $0.04/image/1M input, N/A/1M output. Grok 2: $0.05/1M input, $0.10/1M 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 2 by changing the model parameter. No code changes needed.
Related Comparisons
Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.