Aion-2.0 vs GLM 5.3 FlashX
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GLM 5.3 FlashX is 41% cheaper than Aion-2.0 on a typical 3:1 input/output mix. GLM 5.3 FlashX has the larger context window (1M vs 131K).
| Aion-2.0 | GLM 5.3 FlashX | |
|---|---|---|
| Input price / 1M | $0.80 | $0.37 |
| Output price / 1M | $1.60 | $1.25 |
| Blended price (3:1) | $1.00 | $0.59 |
| Cached input / 1M | $0.20 | $0.09 |
| Context window | 131K | 1M |
| Max output | 33K | 131K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-02-23 | 2026-09-18 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, Aion-2.0 or GLM 5.3 FlashX?
GLM 5.3 FlashX is 41% cheaper than Aion-2.0 on a typical 3:1 input/output mix.
Aion-2.0 vs GLM 5.3 FlashX: which has a bigger context window?
Aion-2.0: 131,072 tokens. GLM 5.3 FlashX: 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, GLM 5.3 FlashX ≈ $1,365.
More comparisons
Aion-2.0 vs GLM 5.3 PrimeAion-2.0 vs Qwen3.8 Max PrimeAion-2.0 vs Command A+Aion-2.0 vs GPT-6 Luna ProAion-2.0 vs GPT-6 LunaAion-2.0 vs GPT-6 Sol ProAion-2.0 vs GPT-6 SolAion-2.0 vs Claude Opus 5.5Aion-2.0 vs MiMo-V2.6-Pro-UltraSpeedAion-2.0 vs MiMo-V2.6-FlashAion-2.0 vs Grok 4.7Aion-2.0 vs Qwen3.8 Omni FlashAion-2.0 vs DeepSeek V4.1 FlashAion-2.0 vs GPT-6 AstraAion-2.0 vs GPT-6 Astra ProAion-2.0 vs Qwen3.8 Max (0902)GLM 5.3 FlashX vs GLM 5.3 PrimeGLM 5.3 FlashX vs Qwen3.8 Max PrimeGLM 5.3 FlashX vs Command A+GLM 5.3 FlashX vs GPT-6 Luna ProGLM 5.3 FlashX vs GPT-6 LunaGLM 5.3 FlashX vs GPT-6 Sol ProGLM 5.3 FlashX vs GPT-6 SolGLM 5.3 FlashX vs Claude Opus 5.5