Grok 4.20 vs DeepSeek V3.2 (Chat)
Pricing, context window, and benchmark comparison · Last updated April 2026
DeepSeek V3.2 (Chat) is cheaper than Grok 4.20 at $0.28/1M/1M vs $2.00/1M/1M input tokens — a 7.1x cost difference. Grok 4.20 scores higher on quality benchmarks (ELO 1380). Choose DeepSeek V3.2 (Chat) for cost-sensitive workloads; choose Grok 4.20 for maximum quality.
Which is cheaper: Grok 4.20 or DeepSeek V3.2 (Chat)?
DeepSeek V3.2 (Chat) is the cheaper option at $0.28/1M per 1M input tokens, compared to $2.00/1M for Grok 4.20. That is a 7.1x cost difference on input tokens. Output pricing follows a similar pattern: Grok 4.20 charges $6.00/1M/1M vs $0.42/1M/1M for DeepSeek V3.2 (Chat).
Which has better quality: Grok 4.20 or DeepSeek V3.2 (Chat)?
Based on LMSYS Chatbot Arena rankings, Grok 4.20 achieves a higher ELO score (1380 vs 1355), suggesting stronger performance on open-ended tasks. Grok 4.20 excels at 2m token context window — tied for largest available. DeepSeek V3.2 (Chat) is known for frontier-class quality at ~10x lower cost than us flagships.
Which should you choose: Grok 4.20 or DeepSeek V3.2 (Chat)?
- → 2M token context window — tied for largest available
- → Real-time X (Twitter) data access
- → Strong reasoning and multi-agent variants
- → Frontier-class quality at ~10x lower cost than US flagships
- → Cache-hit input pricing of $0.028/1M (90% off)
- → Open weights available
Frequently Asked Questions
Which is cheaper: Grok 4.20 or DeepSeek V3.2 (Chat)?
DeepSeek V3.2 (Chat) is cheaper at $0.28/1M per 1M input tokens, making it 7.1x more affordable.
Which has better quality: Grok 4.20 or DeepSeek V3.2 (Chat)?
Grok 4.20 scores higher on the LMSYS Chatbot Arena with an ELO of 1380, suggesting better overall quality for most tasks.
Which has a larger context window: Grok 4.20 or DeepSeek V3.2 (Chat)?
Grok 4.20 has a larger context window at 2000K tokens.
Should I choose Grok 4.20 or DeepSeek V3.2 (Chat)?
Choose DeepSeek V3.2 (Chat) if cost is the priority. Choose Grok 4.20 if benchmark quality is most important. Consider your specific use case: Grok 4.20 is best for reasoning and research, while DeepSeek V3.2 (Chat) excels at coding and low-cost.
Is Grok 4.20 or DeepSeek V3.2 (Chat) open source?
Grok 4.20 is proprietary. DeepSeek V3.2 (Chat) is open source.