OpenAI: GPT-4 Turbo Preview vs WizardLM-2 8x22B: Which AI Model Is Better?

Updated March 2026· Based on independent benchmark data

Quick Verdict

WizardLM-2 8x22B is 16.1x cheaper at $0.62/1M tokens vs $10/1M.

Head-to-Head Comparison

MetricOpenAI: GPT-4 Turbo PreviewWizardLM-2 8x22B
Intelligence ScoreN/AN/A
Coding ScoreN/AN/A
Math ScoreN/AN/A
Speed (tok/s)N/AN/A
Latency (TTFT)N/AN/A
Input Price / 1M tokens$10$0.62
Output Price / 1M tokens$30$0.62
Context Window128K66K
Max Output Tokens4K8K
Input ModalitiesTextText
Output ModalitiesTextText
Free TierNoNo

Detailed Analysis

Pricing

WizardLM-2 8x22B is more affordable at $0.62/1M input tokens ($0.62/1M output), while OpenAI: GPT-4 Turbo Preview costs $10/1M input ($30/1M output). That makes OpenAI: GPT-4 Turbo Preview 16.1x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-4 Turbo Preview would cost approximately $60.00/month vs $3.72/month for WizardLM-2 8x22B in input costs alone.

Context Window

OpenAI: GPT-4 Turbo Preview offers a larger context window at 128K tokens compared to WizardLM-2 8x22B's 66K. For output length, WizardLM-2 8x22B can generate up to 8K tokens per response vs 4K for OpenAI: GPT-4 Turbo Preview.

Best Use Cases

Choose WizardLM-2 8x22B when you need lower cost.

Choose OpenAI: GPT-4 Turbo Preview if:

  • You need a larger context window (128K vs 66K)

Choose WizardLM-2 8x22B if:

  • Budget is a concern ($0.62/1M vs $10/1M)

Frequently Asked Questions

Which is cheaper, OpenAI: GPT-4 Turbo Preview or WizardLM-2 8x22B?

WizardLM-2 8x22B is cheaper at $0.62/1M input tokens vs $10/1M for OpenAI: GPT-4 Turbo Preview.

Can OpenAI: GPT-4 Turbo Preview process images?

No, OpenAI: GPT-4 Turbo Preview does not support image input. Neither model supports image input.

Which has a larger context window, OpenAI: GPT-4 Turbo Preview or WizardLM-2 8x22B?

OpenAI: GPT-4 Turbo Preview has a larger context window at 128K compared to WizardLM-2 8x22B's 66K.

Related Comparisons

Benchmark data by Artificial Analysis

Data last synced: March 2026