Qwen 3 4B vs MythoMax 13B
Compare Qwen 3 4B and MythoMax 13B: 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 | Qwen 3 4B | MythoMax 13B |
|---|---|---|
| Category | Compact | Open Source |
| Parameters | 4B | 13B |
| Context Window | 128K | 4K |
| Input Price | $0.006/1M tokens | $0.01/1M tokens |
| Output Price | $0.012/1M tokens | $0.02/1M tokens |
| Latency | ~50ms | ~100ms |
Choose Qwen 3 4B when:
- ✓ Mobile apps
- ✓ Intent detection
- ✓ Preprocessing
Ultra-compact, Mobile-ready, Low cost
Choose MythoMax 13B when:
- ✓ Story generation
- ✓ Creative content
- ✓ Interactive fiction
Creative writing, Roleplay, Narrative quality
Verdict: Qwen 3 4B vs MythoMax 13B
For cost efficiency, Qwen 3 4B wins at $0.006/1M input tokens. For speed, MythoMax 13B is faster at ~100ms. Qwen 3 4B excels at Mobile apps while MythoMax 13B is better for Story generation. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.
Detailed Analysis
Pricing Comparison
Qwen 3 4B costs $0.006/1M input tokens and $0.012/1M output tokens. MythoMax 13B costs $0.01 input and $0.02 output. Qwen 3 4B is 1.7x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.
Performance & Context
Qwen 3 4B has a 128K context window with ~50ms latency. MythoMax 13B offers 4K context at ~100ms. Qwen 3 4B has the larger context window.
Best For
Qwen 3 4B (Compact) is optimized for: Mobile apps, Intent detection, Preprocessing. MythoMax 13B (Open Source) works best for: Story generation, Creative content, Interactive fiction.
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 Qwen 3 4B
response_a = client.chat.completions.create(
model="qwen-3-4b",
messages=[{"role": "user", "content": "Your question here"}]
)
# Use MythoMax 13B
response_b = client.chat.completions.create(
model="mythomax-13b",
messages=[{"role": "user", "content": "Your question here"}]
)Frequently Asked Questions
Which is better, Qwen 3 4B or MythoMax 13B?
Qwen 3 4B (Compact, 4B) offers Ultra-compact. MythoMax 13B (Open Source, 13B) offers Creative writing. Choose Qwen 3 4B for Mobile apps or MythoMax 13B for Story generation.
How much does Qwen 3 4B cost vs MythoMax 13B?
Qwen 3 4B: $0.006/1M input, $0.012/1M output. MythoMax 13B: $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 Qwen 3 4B and MythoMax 13B 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.