Key Takeaways
Aion-1.0 wins:
- Cheaper input tokens
- Cheaper output tokens
Claude Opus 4.5 wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
- Has reasoning mode
Price Advantage
Aion-1.0
Benchmark Advantage
Claude Opus 4.5
Context Window
Claude Opus 4.5
Speed
Claude Opus 4.5
Pricing Comparison
Price Comparison
| Metric | Aion-1.0 | Claude Opus 4.5 | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $4.00 | $5.00 | Aion-1.0 |
| Output (per 1M tokens) | $8.00 | $25.00 | Aion-1.0 |
| Cache Read (per 1M) | N/A | $0.50 | Claude Opus 4.5 |
| Cache Write (per 1M) | N/A | $6.25 | Claude Opus 4.5 |
Using a 3:1 input/output ratio, Aion-1.0 is 50% cheaper overall.
Aion-1.0 Providers
No provider data available
Claude Opus 4.5 Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
0
Aion-1.0 Wins
0
Claude Opus 4.5 Wins
Benchmark Scores
| Benchmark | Aion-1.0 | Claude Opus 4.5 | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | - | 43.1 | - |
Coding Index Code generation & understanding | - | 42.9 | - |
Math Index Mathematical reasoning | - | 62.7 | - |
MMLU Pro Academic knowledge | - | 88.9 | - |
GPQA Graduate-level science | - | 81.0 | - |
LiveCodeBench Competitive programming | - | 73.8 | - |
Claude Opus 4.5 significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
Y-axis:
Loading chart...
Other models
Context & Performance
Context Window
Aion-1.0
131,072
tokens
Claude Opus 4.5
200,000
tokens
Claude Opus 4.5 has a 34% larger context window.
Speed Performance
| Metric | Aion-1.0 | Claude Opus 4.5 | Winner |
|---|---|---|---|
| Tokens/second | N/A | 52.5 tok/s | |
| Time to First Token | N/A | 1.57s |
Capabilities
Feature Comparison
| Feature | Aion-1.0 | Claude Opus 4.5 |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Aion-1.0 | Claude Opus 4.5 |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Aion Labs | Anthropic |
| Released | Feb 2025 | Nov 2025 |
Aion-1.0 Modalities
Input
text
Output
text
Claude Opus 4.5 Modalities
Input
fileimagetext
Output
text