Grok 2 vs Inflection 3
Compare Grok 2 and Inflection 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 | Grok 2 | Inflection 3 |
|---|---|---|
| Category | Open Source | Frontier |
| Parameters | ~300B | ~300B |
| Context Window | 128K | 128K |
| Input Price | $0.05/1M tokens | $0.06/1M tokens |
| Output Price | $0.10/1M tokens | $0.12/1M tokens |
| Latency | ~350ms | ~400ms |
Choose Grok 2 when:
- ✓ General purpose
- ✓ Content generation
- ✓ Analysis
Proven model, Good reasoning, Reliable
Choose Inflection 3 when:
- ✓ Counseling chatbots
- ✓ Spiritual guidance
- ✓ Emotional support
Empathetic responses, Strong conversation, Good EQ
Verdict: Grok 2 vs Inflection 3
For cost efficiency, Grok 2 wins at $0.05/1M input tokens. For speed, Grok 2 is faster at ~350ms. Grok 2 excels at General purpose while Inflection 3 is better for Counseling chatbots. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Grok 2 costs $0.05/1M input tokens and $0.10/1M output tokens. Inflection 3 costs $0.06 input and $0.12 output. Grok 2 is 1.2x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Grok 2 has a 128K context window with ~350ms latency. Inflection 3 offers 128K context at ~400ms. Both have identical context windows.
Best For
Grok 2 (Open Source) is optimized for: General purpose, Content generation, Analysis. Inflection 3 (Frontier) works best for: Counseling chatbots, Spiritual guidance, Emotional support.
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 Grok 2
response_a = client.chat.completions.create(
model="grok-2",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use Inflection 3
response_b = client.chat.completions.create(
model="inflection-3",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Grok 2 or Inflection 3?
Grok 2 (Open Source, ~300B) offers Proven model. Inflection 3 (Frontier, ~300B) offers Empathetic responses. Choose Grok 2 for General purpose or Inflection 3 for Counseling chatbots.
How much does Grok 2 cost vs Inflection 3?
Grok 2: $0.05/1M input, $0.10/1M output. Inflection 3: $0.06/1M input, $0.12/1M 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 Grok 2 and Inflection 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.