# Aion 3.5 vs GPT-6.1 Sol

> Neither Aion 3.5 nor GPT-6.1 Sol has enough public benchmark results to be ranked yet; the rows below show what has been published.

- Canonical page: https://noometry.com/compare/aion-3-5-vs-gpt-6-1-sol
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- Aion 3.5 is cheaper at $3 / $6 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
- GPT-6.1 Sol accepts more context: 1.05M tokens versus 262K.

## Snapshot

| | Aion 3.5 | GPT-6.1 Sol |
|---|---|---|
| Provider | AionLabs | OpenAI |
| Noometry Index | 57.9 | 42.1 |
| Rank | — | — |
| Context | 262K | 1.05M |
| Input $/M | $3 | $2 |
| Output $/M | $6 | $10 |
| Weights | Proprietary | Proprietary |

## Coding

- Aion 3.5: —
- GPT-6.1 Sol: 51.4

| Benchmark | Aion 3.5 | GPT-6.1 Sol |
|---|---|---|
| DeepSWE | — | 75.2% |

## Agentic & Tool Use

- Aion 3.5: —
- GPT-6.1 Sol: 34.3

| Benchmark | Aion 3.5 | GPT-6.1 Sol |
|---|---|---|
| GDP.pdf | — | 32% |

## Writing & Preference

- Aion 3.5: 74.9
- GPT-6.1 Sol: —

| Benchmark | Aion 3.5 | GPT-6.1 Sol |
|---|---|---|
| EQ-Bench Creative Writing | 1929 | — |

## FAQ

### Is Aion 3.5 better than GPT-6.1 Sol?

Neither Aion 3.5 nor GPT-6.1 Sol has enough public benchmark results to be ranked yet; the rows below show what has been published.

### Which is cheaper, Aion 3.5 or GPT-6.1 Sol?

Aion 3.5 is cheaper. It lists at $3 per million input tokens and $6 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

### Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 262K.

### How many benchmarks do Aion 3.5 and GPT-6.1 Sol share?

0 benchmarks have published results for both models. Aion 3.5 has 1 scored results on Noometry and GPT-6.1 Sol has 2.