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Aion-3.0-Mini vs GPT-5.5
Aion-3.0-Mini (AionLabs) and GPT-5.5 (OpenAI) compared on benchmarks, pricing, context window, and use-case rankings.
- Aion-3.0-Mini is cheaper on input tokens — $0.70 vs $5.00 per 1M.
- GPT-5.5 has a larger context window (1.1M vs 131K tokens).
| Attribute | Aion-3.0-Mini | GPT-5.5 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 159 |
| Coding | — | 91 |
| Math | — | 97 |
| Reasoning & Knowledge | — | 92 |
| Agentic & Tools | — | 87 |
| Specifications | ||
| Developer | AionLabs | OpenAI |
| Family | — | GPT |
| Released | Jul 7, 2026 | Apr 23, 2026 |
| Parameters | — | — |
| Availability | — | API access |
| Context window | 131K | 1.1M |
| Price — $/M input | $0.70 | $5.00 |
| Price — $/M output | $1.40 | $30.00 |
| Inputs | text | file, image, text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | — | 100% |
| APEX | — | 38% |
| ARC-AGI | — | 95% |
| ARC-AGI-2 | — | 85% |
| FrontierMath | — | 52% |
| FrontierMath Tier 4 | — | 35% |
| GPQA Diamond | — | 94% |
| GSO (code optimization) | — | 40% |
| Humanity's Last Exam | — | 44% |
| SciCode | — | 56% |
| SimpleBench | — | 69% |
| SimpleQA Verified | — | 63% |
| SWE-bench Verified | — | 81% |
| Terminal-Bench | — | 85% |
| WebDev Arena | — | 1505 |
| WeirdML | — | 85% |
| τ²-bench | — | 94% |
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-3.0-Mini or GPT-5.5?
Aion-3.0-Mini is cheaper on input tokens at $0.70 per million, versus $5.00 (representative OpenRouter pricing).
Which has a larger context window, Aion-3.0-Mini or GPT-5.5?
GPT-5.5 supports up to 1.1M tokens, compared with 131K for the other.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.