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Claude Opus 5 vs Aion 1.0

At a glance

Anthropic's flagship for demanding reasoning, coding, and long-horizon agentic work.

1M ctx$5.00/$25.00 per M

AionLabs' flagship reasoning model for complex tasks.

131K ctx$4.00/$8.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper50%
Specs
1M
Context
128K
Max output
Jul 2026
Released
131K
Context
33K
Max output
Feb 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$5.00/M tokens
Output$25.00/M tokens
Cache read$0.50/M tokens
Cache write$6.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input20%$4.00/M tokens
Output68%$8.00/M tokens
Chat with Claude Opus 5Go to model
Chat with Aion 1.0Go to model
Frequently Asked Questions: Claude Opus 5 vs Aion 1.0▼

Which is better, Claude Opus 5 or Aion 1.0?

▼

Both Claude Opus 5 and Aion 1.0 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Opus 5 or Aion 1.0?

▼

Aion 1.0 has a lower blended cost. Claude Opus 5: $5.00 input / $25.00 output. Aion 1.0: $4.00 input / $8.00 output.

Which has a larger context window, Claude Opus 5 or Aion 1.0?

▼

Claude Opus 5 has a larger context window: Claude Opus 5 supports 1M tokens vs Aion 1.0 at 131K tokens.

Do both Claude Opus 5 and Aion 1.0 support vision?

▼

Claude Opus 5 supports vision/image input, but Aion 1.0 does not.

What are the key differences between Claude Opus 5 and Aion 1.0?

▼

Key differences: only Claude Opus 5 supports vision input. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Opus 5 and Aion 1.0 for free on idapt.app to see which performs better for your specific needs.

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