AIAion-3.0 Paid vs 
GPT-3.5 Turbo Paid
Aion-3.0 vs GPT-3.5 Turbo compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Aion-3.0 — full profile › · GPT-3.5 Turbo — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$6 /M outputManaged API (no infra to run)
$1.5 /M outputManaged API (no infra to run)
Aion-3.0 vs GPT-3.5 Turbo specs
| Spec | Aion-3.0 | GPT-3.5 Turbo | Winner |
|---|---|---|---|
| Maker | AionLabs | OpenAI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 131K tokens | 16K tokens | AIAion-3.0 |
| Input price | $3/M | $0.5/M | |
| Output price | $6/M | $1.5/M | |
| Vision / multimodal | No | No | – |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
GPT-3.5 Turbo is ~4.0× cheaper than Aion-3.0 on output tokens ($1.5 vs $6 per M tokens).
- You want frontier performance through a managed API
- You need the longer 131K context window
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | Aion-3.0 | GPT-3.5 Turbo |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✗ | ✗ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
Benchmarks: Aion-3.0 vs GPT-3.5 Turbo
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How Aion-3.0 and GPT-3.5 Turbo score
| Criterion | Aion-3.0 | GPT-3.5 Turbo |
|---|---|---|
| Cost-efficiency | 4.0 | 4.5 |
| Context window | 3.5 | 2.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 3.5 | 3.5 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
Aion-3.0 Paid
Aion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...
GPT-3.5 Turbo Paid
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
Frequently asked questions
Aion-3.0 vs GPT-3.5 Turbo — which is cheaper?
GPT-3.5 Turbo is cheaper on output ($1.5/M vs $6/M).
Which has the larger context window?
Aion-3.0 offers the larger context window (131K tokens).
Aion-3.0 vs GPT-3.5 Turbo — which should I pick in 2026?
Choose GPT-3.5 Turbo for the lower output price ($1.5/M vs $6/M). Choose Aion-3.0 if you need the larger 131K context window.
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