← Compare models
Open all in the calculator — adjust volume and token counts →
For a typical workload (100,000 requests / mo), Aion-2.0 is the cheapest — 82% less than the priciest here ($160.00/mo vs $900.00/mo).
| Aion-2.0 | GPT-5.4 | |
|---|---|---|
| Input / 1M tokens | $0.800 | $2.50 |
| Output / 1M tokens | $1.60 | $15.00 |
| Typical request (1,200 in + 400 out) | $0.0016 | $0.009 |
| Context window | 131,072 tokens | 1050k tokens |
| Max output | 32,768 tokens | 128k tokens |
| Quality score | 68/100 | 95/100 |
| Tier | Balanced | Flagship |
| Provider | AionLabs | OpenAI |
Projected monthly cost
| Requests / mo | Aion-2.0 | GPT-5.4 |
|---|---|---|
| 1,000 | $1.60 | $9.00 |
| 10,000 | $16.00 | $90.00 |
| 100,000 | $160.00 | $900.00 |
Aion-2.0
Auto-synced from OpenRouter — no editorial write-up yet.
GPT-5.4
Excellent general-purpose reasoning and broad world knowledge, with strong performance on coding, math, and multi-modal (image + file) inputs.
Output tokens are priced well above input tokens, so verbose responses dominate cost — tight max-token limits and prompt caching matter.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.