Aion-2.0 is a variant of DeepSeek V3.2 optimized for immersive roleplaying and storytelling. It is particularly strong at introducing tension, crises, and conflict into stories, making narratives feel more engaging....
Model details →AionLabs: Aion-2.0 vs OpenAI: GPT-5.4 Image 2
AionLabs: Aion-2.0 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2. It enables rich multimodal workflows, allowing users to seamlessly move between re…
Model details →Side-by-side comparison
| Capability | AionLabs: Aion-2.0 | OpenAI: GPT-5.4 Image 2 | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 131K | 272K | 🏆 OpenAI: GPT-5.4 Image 2 |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.80 | $8.00 | 🏆 AionLabs: Aion-2.0 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $1.60 | $15.00 | 🏆 AionLabs: Aion-2.0 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | — | 🏆 AionLabs: Aion-2.0 |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 OpenAI: GPT-5.4 Image 2 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is AionLabs: Aion-2.0 better than OpenAI: GPT-5.4 Image 2?
AionLabs: Aion-2.0 wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between AionLabs: Aion-2.0 and OpenAI: GPT-5.4 Image 2?
Input: $0.80 vs $8.00 per 1M tokens. Output: $1.60 vs $15.00 per 1M tokens.
What context windows do AionLabs: Aion-2.0 and OpenAI: GPT-5.4 Image 2 support?
AionLabs: Aion-2.0 supports up to 131K tokens. OpenAI: GPT-5.4 Image 2 supports up to 272K tokens.
Do both AionLabs: Aion-2.0 and OpenAI: GPT-5.4 Image 2 support tool calling?
AionLabs: Aion-2.0: yes. OpenAI: GPT-5.4 Image 2: not advertised.