Aion-2.0 vs DeepSeek V4.1 Flash
Price, context window & benchmark comparison
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Verdict: DeepSeek V4.1 Flash is 4.8× cheaper than Aion-2.0 on a typical 3:1 input/output mix. DeepSeek V4.1 Flash has the larger context window (1M vs 131K).
| Aion-2.0 | DeepSeek V4.1 Flash | |
|---|---|---|
| Input price / 1M | $0.80 | $0.14 |
| Output price / 1M | $1.60 | $0.42 |
| Blended price (3:1) | $1.00 | $0.21 |
| Cached input / 1M | $0.20 | $0.0042 |
| Context window | 131K | 1M |
| Max output | 33K | 131K |
| Intelligence index | — | 39.5 |
| Coding index | — | — |
| Providers | — | 26 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-02-23 | 2026-09-10 |
| Retirement | — | — |
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FAQ
Which is cheaper, Aion-2.0 or DeepSeek V4.1 Flash?
DeepSeek V4.1 Flash is 4.8× cheaper than Aion-2.0 on a typical 3:1 input/output mix.
Aion-2.0 vs DeepSeek V4.1 Flash: which has a bigger context window?
Aion-2.0: 131,072 tokens. DeepSeek V4.1 Flash: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Aion-2.0 ≈ $2,400, DeepSeek V4.1 Flash ≈ $490.00.
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