WizardLM 2 8x22B vs SD 3.5 Medium

Compare WizardLM 2 8x22B and SD 3.5 Medium: pricing, performance, context window, latency, and best use cases. Side-by-side comparison on XALEN.

Updated 2026-05-21 · By Abhishek Raj · Our methodology

All Microsoft models All Stability AI models What is an LLM API? Python Quickstart What is inference?
Feature WizardLM 2 8x22B SD 3.5 Medium
CategoryOpen SourceImage
Parameters176B (22B active)2.5B
Context Window65KN/A
Input Price$0.04/1M tokens$0.003/image/1M tokens
Output Price$0.08/1M tokensN/A/1M tokens
Latency~350ms~2s

Choose WizardLM 2 8x22B when:

  • ✓ Complex instructions
  • ✓ Math tasks
  • ✓ Structured output
Key Strengths:

Strong instruction following, Good math, MoE efficient

Choose SD 3.5 Medium when:

  • ✓ General imagery
  • ✓ Batch generation
  • ✓ Prototyping
Key Strengths:

Good quality, Fast, Open weights

Verdict: WizardLM 2 8x22B vs SD 3.5 Medium

For cost efficiency, SD 3.5 Medium wins at $0.003/image/1M input tokens. For speed, SD 3.5 Medium is faster at ~2s. WizardLM 2 8x22B excels at Complex instructions while SD 3.5 Medium is better for General imagery. Both are available on XALEN through a single API — try them in the Playground to see which fits your workload.

Detailed Analysis

Pricing Comparison

WizardLM 2 8x22B costs $0.04/1M input tokens and $0.08/1M output tokens. SD 3.5 Medium costs $0.003/image input and N/A output. SD 3.5 Medium is 13.3x cheaper on input tokens. XALEN offers batch processing at 50% discount on both models.

Performance & Context

WizardLM 2 8x22B has a 65K context window with ~350ms latency. SD 3.5 Medium offers N/A context at ~2s. WizardLM 2 8x22B has the larger context window.

Best For

WizardLM 2 8x22B (Open Source) is optimized for: Complex instructions, Math tasks, Structured output. SD 3.5 Medium (Image) works best for: General imagery, Batch generation, Prototyping.

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 WizardLM 2 8x22B
response_a = client.chat.completions.create(
    model="wizardlm-2-8x22b",
    messages=[{"role": "user", "content": "Your question here"}]
)

# Use SD 3.5 Medium
response_b = client.chat.completions.create(
    model="stable-diffusion-3-5-medium",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

200+ AI models. One API. Pay-as-you-go.

Get API Key Try in Playground

Frequently Asked Questions

Which is better, WizardLM 2 8x22B or SD 3.5 Medium?

WizardLM 2 8x22B (Open Source, 176B (22B active)) offers Strong instruction following. SD 3.5 Medium (Image, 2.5B) offers Good quality. Choose WizardLM 2 8x22B for Complex instructions or SD 3.5 Medium for General imagery.

How much does WizardLM 2 8x22B cost vs SD 3.5 Medium?

WizardLM 2 8x22B: $0.04/1M input, $0.08/1M output. SD 3.5 Medium: $0.003/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 WizardLM 2 8x22B and SD 3.5 Medium by changing the model parameter. No code changes needed.

Related Comparisons

WizardLM 2 8x22B vs DALL-E 3 WizardLM 2 8x22B vs Gemma 3 27B WizardLM 2 8x22B vs Imagen 3 WizardLM 2 8x22B vs Llama 4 Scout WizardLM 2 8x22B vs Llama 4 Maverick WizardLM 2 8x22B vs Llama 3.3 70B

Last updated: 2026-05-21. Pricing and specifications may change. Check pricing page for latest rates.