WizardLM 2 8x22B vs InternVL 2.5 78B

Compare WizardLM 2 8x22B and InternVL 2.5 78B: 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 InternVL 2.5 78B
CategoryOpen SourceVision
Parameters176B (22B active)78B
Context Window65K128K
Input Price$0.04/1M tokens$0.05/1M tokens
Output Price$0.08/1M tokens$0.10/1M tokens
Latency~350ms~400ms

Choose WizardLM 2 8x22B when:

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

Strong instruction following, Good math, MoE efficient

Choose InternVL 2.5 78B when:

  • ✓ Document analysis
  • ✓ Chart reading
  • ✓ Visual Q&A
Key Strengths:

Strong visual reasoning, Open weights, Good OCR

Verdict: WizardLM 2 8x22B vs InternVL 2.5 78B

For cost efficiency, WizardLM 2 8x22B wins at $0.04/1M input tokens. For speed, WizardLM 2 8x22B is faster at ~350ms. WizardLM 2 8x22B excels at Complex instructions while InternVL 2.5 78B is better for Document analysis. 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. InternVL 2.5 78B costs $0.05 input and $0.10 output. WizardLM 2 8x22B is 1.3x 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. InternVL 2.5 78B offers 128K context at ~400ms. InternVL 2.5 78B has the larger context window.

Best For

WizardLM 2 8x22B (Open Source) is optimized for: Complex instructions, Math tasks, Structured output. InternVL 2.5 78B (Vision) works best for: Document analysis, Chart reading, Visual Q&A.

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 InternVL 2.5 78B
response_b = client.chat.completions.create(
    model="internvl-2-5-78b",
    messages=[{"role": "user", "content": "Your question here"}]
)

Start Building with XALEN

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Get API Key Try in Playground

Frequently Asked Questions

Which is better, WizardLM 2 8x22B or InternVL 2.5 78B?

WizardLM 2 8x22B (Open Source, 176B (22B active)) offers Strong instruction following. InternVL 2.5 78B (Vision, 78B) offers Strong visual reasoning. Choose WizardLM 2 8x22B for Complex instructions or InternVL 2.5 78B for Document analysis.

How much does WizardLM 2 8x22B cost vs InternVL 2.5 78B?

WizardLM 2 8x22B: $0.04/1M input, $0.08/1M output. InternVL 2.5 78B: $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 WizardLM 2 8x22B and InternVL 2.5 78B 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.