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Aion 3.5 Mini vs Grok 4.6
Aion 3.5 Mini (AionLabs) and Grok 4.6 (xAI) compared on benchmarks, pricing, context window, and use-case rankings.
- Aion 3.5 Mini is cheaper on input tokens — $0.70 vs $2.00 per 1M.
- Grok 4.6 has a larger context window (500K vs 262K tokens).
| Attribute | Aion 3.5 Mini | Grok 4.6 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 156 |
| Coding | — | 89 |
| Math | — | 91 |
| Reasoning & Knowledge | — | 72 |
| Agentic & Tools | — | 95 |
| Specifications | ||
| Developer | AionLabs | xAI |
| Family | — | Grok |
| Released | Sep 23, 2026 | Aug 12, 2026 |
| Parameters | — | — |
| Availability | — | API access |
| Context window | 262K | 500K |
| Price — $/M input | $0.70 | $2.00 |
| Price — $/M output | $1.40 | $6.00 |
| Inputs | text | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | — | 99% |
| APEX | — | 65% |
| ARC-AGI | — | 88% |
| ARC-AGI-2 | — | 67% |
| GPQA Diamond | — | 94% |
| Humanity's Last Exam | — | 43% |
| SciCode | — | 56% |
| SimpleBench | — | 76% |
| SimpleQA Verified | — | 49% |
| WebDev Arena | — | 1618 |
| WeirdML | — | 67% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, Aion 3.5 Mini or Grok 4.6?
Aion 3.5 Mini is cheaper on input tokens at $0.70 per million, versus $2.00 (representative OpenRouter pricing).
Which has a larger context window, Aion 3.5 Mini or Grok 4.6?
Grok 4.6 supports up to 500K tokens, compared with 262K for the other.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.