Aion-1.0 is a multi-model system designed for high performance across various tasks, including reasoning and coding. It is built on DeepSeek-R1, augmented with additional models and techniques such as Tree of Thoughts (ToT) and Mixture of E…
Model details →AionLabs: Aion-1.0 vs xAI: Grok 4.20 Beta
xAI: Grok 4.20 Beta wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
Grok 4.20 Beta is xAI's newest flagship model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering consistently precise and truth…
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-1.0 | xAI: Grok 4.20 Beta | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 2M | 🏆 xAI: Grok 4.20 Beta |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $4.00 | $2.00 | 🏆 xAI: Grok 4.20 Beta |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $8.00 | $6.00 | 🏆 xAI: Grok 4.20 Beta |
| Tool / function calling First-class support for emitting structured tool calls. | — | Yes | 🏆 xAI: Grok 4.20 Beta |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 xAI: Grok 4.20 Beta |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion-1.0 better than xAI: Grok 4.20 Beta?
xAI: Grok 4.20 Beta wins on 5 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AionLabs: Aion-1.0 and xAI: Grok 4.20 Beta?
Input: $4.00 vs $2.00 per 1M tokens. Output: $8.00 vs $6.00 per 1M tokens.
What context windows do AionLabs: Aion-1.0 and xAI: Grok 4.20 Beta support?
AionLabs: Aion-1.0 supports up to 131K tokens. xAI: Grok 4.20 Beta supports up to 2M tokens.
Do both AionLabs: Aion-1.0 and xAI: Grok 4.20 Beta support tool calling?
AionLabs: Aion-1.0: not advertised. xAI: Grok 4.20 Beta: yes.
Compare AionLabs: Aion-1.0 with other models
vs AI21: Jamba Large 1.7vs AionLabs: Aion-1.0-Minivs AionLabs: Aion-2.0vs AionLabs: Aion-RP 1.0 (8B)