Very long inputs
Choose Grok 4.20 Reasoning
Grok 4.20 Reasoning reads up to 1M tokens per request, against 8k for Tiny Aya Global.
Grok 4.20 Reasoning vs Tiny Aya Global: price, context and capabilities
Choose Grok 4.20 Reasoning for very long inputs, images as input and the latest release. Choose Tiny Aya Global for self-hosting and data control.
In short
- A price comparison is not possible: one of them has no comparable published price.
- Grok 4.20 Reasoning reads more per request: 1M tokens against 8k.
- Grok 4.20 Reasoning is the newer model (March 2026, against Feb 17, 2026).
- Only Grok 4.20 Reasoning offers vision, reasoning, tool calling, structured output, prompt caching, batch api.
- Only Tiny Aya Global offers self-hostable.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Self-hosting and data control
Choose Tiny Aya Global
Tiny Aya Global has open weights, so you can run it on your own servers; Grok 4.20 Reasoning is only available through its provider.
Images as input
Choose Grok 4.20 Reasoning
Grok 4.20 Reasoning accepts images as input; Tiny Aya Global does not.
Latest release
Choose Grok 4.20 Reasoning
Grok 4.20 Reasoning is the newer release (March 2026, against Feb 17, 2026 for Tiny Aya Global).
Specifications side by side
| Grok 4.20 Reasoning | Tiny Aya Global | |
|---|---|---|
| Provider | xAI | Cohere |
| Category | Language models | Language models |
| Status | Generally available | Generally available |
| Headline price | $1.56 / 1M tokens | No data |
| Input | $1.25 / 1M tokens | No data |
| Output | $2.50 / 1M tokens | No data |
| Cached input | $0.20 / 1M tokens | No data |
| Context window | 1M | 8k |
| Max output | No data | No data |
| Released | March 2026 | Feb 17, 2026 |
| Knowledge cutoff | No data | No data |
| Licence | Proprietary | Open weights |
| Capabilities | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API | Self-hostable |
| API model id | grok-4.20-0309-reasoning | tiny-aya-global |
Benchmarks side by side
Leader in bold.
| Benchmark | Grok 4.20 Reasoning | Tiny Aya Global |
|---|---|---|
| GPQA Diamond | No data | 30.5% |
| Humanity's Last Exam | No data | 5.2% |
| IFBench (instruction following) | No data | 20.1% |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Frequently asked questions
Should I choose Grok 4.20 Reasoning or Tiny Aya Global?
Choose Grok 4.20 Reasoning for very long inputs, images as input and the latest release. Choose Tiny Aya Global for self-hosting and data control.
Which is cheaper, Grok 4.20 Reasoning or Tiny Aya Global?
A price comparison is not possible: one of them has no comparable published price.
Which has the larger context window, Grok 4.20 Reasoning or Tiny Aya Global?
Grok 4.20 Reasoning reads more per request: 1M tokens against 8k.
What is the difference between Grok 4.20 Reasoning and Tiny Aya Global?
Grok 4.20 Reasoning is made by xAI and Tiny Aya Global by Cohere. A price comparison is not possible: one of them has no comparable published price. Grok 4.20 Reasoning reads more per request: 1M tokens against 8k. Grok 4.20 Reasoning is the newer model (March 2026, against Feb 17, 2026). Only Grok 4.20 Reasoning offers vision, reasoning, tool calling, structured output, prompt caching, batch api. Only Tiny Aya Global offers self-hostable.
Which is newer, Grok 4.20 Reasoning or Tiny Aya Global?
Grok 4.20 Reasoning was released on March 2026 and Tiny Aya Global on Feb 17, 2026.