Model decision surface
Compare AI models
Start with Aion-3.0 and GPT-5.1-Codex-Max, or choose any two current ranked language models. Compare capability evidence, price, context, provider availability, and weight access without pretending one field decides every use case.
Current public data
Aion-3.0 vs GPT-5.1-Codex-Max
Live dataset updated 8/17/2026, 11:13:20 PM UTC
Open 1200×630 evidence receipt| Field | Aion-3.0 Aion Labs | GPT-5.1-Codex-Max OpenAI |
|---|---|---|
| ModelCap position | #112 | #109 |
| Index score | 22.5 | 22.5 |
| Evidence | Estimatedglobal corpus prior · leave-one-anchor-out calibrated | Estimatedpublisher corpus prior · leave-one-anchor-out calibrated |
| Input / 1M | $3.00 | $1.25 |
| Output / 1M | $6.00 | $10.00 |
| Pricing status | fresh | fresh |
| Context | 131K | 400K |
| Providers | 1 | 1 |
| Weight access | API only | API only |
Decision facts
- Aion-3.0 is #112; GPT-5.1-Codex-Max is #109 on the same current language board.
- Index scores are 22.5 for Aion-3.0 and 22.5 for GPT-5.1-Codex-Max.
- Both positions use Estimated evidence.
- Listed output price per 1M tokens is $6.00 for Aion-3.0 and $10.00 for GPT-5.1-Codex-Max.
- Published context is 131,072 tokens for Aion-3.0 and 400,000 for GPT-5.1-Codex-Max.
These are separate published fields, not a synthetic winner. ModelCap does not collapse price, access, context, and capability evidence into a hidden recommendation score.
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Each comparison page is a permanent, shareable URL with the same live figures as this tool: ModelCap Index position, API pricing, context window, provider count, weight access and every shared benchmark board.