Grok 4.20 Beta pricing
Grok 4.20 Beta costs $1.25 per 1M input tokens and $2.50 per 1M output tokens as of October 2026. Tracked daily since 25 July 2026 across 94 snapshots.
Current rates
- Input: $1.25 per 1M tokens
- Output: $2.50 per 1M tokens
- Cached input: $0.20 per 1M tokens
- Context window: 1,000,000 tokens
- Above 200,000 tokens the rate changes to $2.50 input / $5.00 output
Recorded changes
| Date | Field | From | To |
|---|---|---|---|
| 26 Jul 2026 | context | 2000000 | 1000000 |
| 26 Jul 2026 | output | $6.00 | $2.50 |
| 26 Jul 2026 | input | $2.00 | $1.25 |
Cheaper alternatives to Grok 4.20 Beta
Ranked by blended cost assuming a 3:1 input-to-output ratio, which is typical of chat and agent workloads. Only currently callable models with a comparable context window are listed.
| Model | Input / 1M | Output / 1M | Cheaper by |
|---|---|---|---|
| Gemini 3.8 Flash | $0.75 | $3.75 | 4% |
| Grok Build 0.1 | $1.00 | $2.00 | 20% |
| DeepSeek V4 Pro | $0.66 | $1.98 | 37% |
| Mistral Large 3 | $0.50 | $1.50 | 52% |
| GPT-5.6 Luna | $0.20 | $1.20 | 71% |
Cite this data
Free to reuse under CC BY 4.0 with a link back.
Text
YemHub (2026). Grok 4.20 Beta API pricing history. YemHub AI Pricing Index. Retrieved 26 October 2026, from https://yemhub.com/price-history/grok-4-20-beta/
BibTeX
@misc{yemhub2026grok420betaapipricinghistory,
author = {{YemHub}},
title = {Grok 4.20 Beta API pricing history},
year = {2026},
howpublished = {\url{https://yemhub.com/price-history/grok-4-20-beta/}},
note = {YemHub AI Pricing Index, accessed 2026-10-26}
}