xAI: Grok 4.20 Multi-Agent Beta vs OpenAI: GPT-3.5 Turbo: Which AI Model Is Better?
Updated March 24, 2026· Based on independent benchmark data
Quick Verdict
OpenAI: GPT-3.5 Turbo is 4.0x cheaper at $0.50/1M tokens vs $2.00/1M.
Head-to-Head Comparison
| Metric | xAI: Grok 4.20 Multi-Agent Beta | OpenAI: GPT-3.5 Turbo |
|---|---|---|
| Intelligence Score | N/A | N/A |
| Coding Score | N/A | N/A |
| Math Score | N/A | N/A |
| Speed (tok/s) | 0 tok/s | N/A |
| Latency (TTFT) | 0.00s | N/A |
| Input Price / 1M tokens | $2.00 | $0.50 |
| Output Price / 1M tokens | $6.00 | $1.50 |
| Context Window | 2M | 16K |
| Max Output Tokens | N/A | 4K |
| Input Modalities | Text + Image | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Detailed Analysis
Pricing
OpenAI: GPT-3.5 Turbo is more affordable at $0.50/1M input tokens ($1.50/1M output), while xAI: Grok 4.20 Multi-Agent Beta costs $2.00/1M input ($6.00/1M output). That makes xAI: Grok 4.20 Multi-Agent Beta 4.0x 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, xAI: Grok 4.20 Multi-Agent Beta would cost approximately $12.00/month vs $3.00/month for OpenAI: GPT-3.5 Turbo in input costs alone.
Context Window
xAI: Grok 4.20 Multi-Agent Beta offers a larger context window at 2M tokens compared to OpenAI: GPT-3.5 Turbo's 16K. This means xAI: Grok 4.20 Multi-Agent Beta can process roughly 1000 pages of text in a single request vs 8 pages for OpenAI: GPT-3.5 Turbo.
Best Use Cases
Choose xAI: Grok 4.20 Multi-Agent Beta when you need larger context window (2M). Choose OpenAI: GPT-3.5 Turbo when you need lower cost.
Choose xAI: Grok 4.20 Multi-Agent Beta if:
- ✓You need a larger context window (2M vs 16K)
- ✓You need image understanding (Supports image input)
Choose OpenAI: GPT-3.5 Turbo if:
- ✓Budget is a concern ($0.50/1M vs $2.00/1M)
Frequently Asked Questions
Which is cheaper, xAI: Grok 4.20 Multi-Agent Beta or OpenAI: GPT-3.5 Turbo?
OpenAI: GPT-3.5 Turbo is cheaper at $0.50/1M input tokens vs $2.00/1M for xAI: Grok 4.20 Multi-Agent Beta.
Can xAI: Grok 4.20 Multi-Agent Beta process images?
Yes, xAI: Grok 4.20 Multi-Agent Beta supports image input. OpenAI: GPT-3.5 Turbo does not support image input.
Which has a larger context window, xAI: Grok 4.20 Multi-Agent Beta or OpenAI: GPT-3.5 Turbo?
xAI: Grok 4.20 Multi-Agent Beta has a larger context window at 2M compared to OpenAI: GPT-3.5 Turbo's 16K.
Related Comparisons
Benchmark data by Artificial Analysis
Data last synced: March 24, 2026