WizardLM 2 8x22B vs Solar Pro

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

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

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Feature WizardLM 2 8x22B Solar Pro
CategoryOpen SourceOpen Source
Parameters176B (22B active)22B
Context Window65K32K
Input Price$0.04/1M tokens$0.02/1M tokens
Output Price$0.08/1M tokens$0.04/1M tokens
Latency~350ms~180ms

Choose WizardLM 2 8x22B when:

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

Strong instruction following, Good math, MoE efficient

Choose Solar Pro when:

  • ✓ General purpose
  • ✓ Korean content
  • ✓ Chatbots
Key Strengths:

Good instruction following, Compact, Efficient

Verdict: WizardLM 2 8x22B vs Solar Pro

For cost efficiency, Solar Pro wins at $0.02/1M input tokens. For speed, Solar Pro is faster at ~180ms. WizardLM 2 8x22B excels at Complex instructions while Solar Pro 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

WizardLM 2 8x22B costs $0.04/1M input tokens and $0.08/1M output tokens. Solar Pro costs $0.02 input and $0.04 output. Solar Pro is 2.0x 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. Solar Pro offers 32K context at ~180ms. WizardLM 2 8x22B has the larger context window.

Best For

WizardLM 2 8x22B (Open Source) is optimized for: Complex instructions, Math tasks, Structured output. Solar Pro (Open Source) works best for: General purpose, Korean content, Chatbots.

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 Solar Pro
response_b = client.chat.completions.create(
    model="solar-pro",
    messages=[{"role": "user", "content": "Your question here"}]
)

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Frequently Asked Questions

Which is better, WizardLM 2 8x22B or Solar Pro?

WizardLM 2 8x22B (Open Source, 176B (22B active)) offers Strong instruction following. Solar Pro (Open Source, 22B) offers Good instruction following. Choose WizardLM 2 8x22B for Complex instructions or Solar Pro for General purpose.

How much does WizardLM 2 8x22B cost vs Solar Pro?

WizardLM 2 8x22B: $0.04/1M input, $0.08/1M output. Solar Pro: $0.02/1M input, $0.04/1M 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 Solar Pro 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.