AionLabs Aion-2.0 vs DeepSeek V4 Pro 0423
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Aion-2.0 is 1.1× cheaper at a typical mix of 3 input tokens per output token.
- DeepSeek V4 Pro 0423 accepts longer prompts: 1M vs 131K tokens.
- DeepSeek V4 Pro 0423 is the newer model (released 2026-04-24).
| Aion-2.0 | DeepSeek V4 Pro 0423 | |
|---|---|---|
| Vendor | AionLabs | DeepSeek |
| Released | 2026-02-23 | 2026-04-24 |
| Input / 1M | $0.80 | $0.889 |
| Output / 1M | $1.60 | $1.78 |
| Cached input / 1M | $0.20 | $0.074 |
| Blended / 1M (3:1) | $1.00 | $1.11 |
| Context | 131K | 1M |
| Max output | 33K | 384K |
| Accepts | text | text |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 1 | 15 |
| Cheapest provider, output | $1.60 | $1.50 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | — | Operational |
Cost calculator
Aion-2.0
$72.00 per month$2.40 per day
DeepSeek V4 Pro 0423
$80.01 per month$2.67 per day
Aion-2.0 saves $8.01 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Aion-2.0 with
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