token.app › Compare › o3 Mini High vs Claude Opus 5
o3 Mini High vs Claude Opus 5
o3 Mini High is 5.2× cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| o3 Mini High | Claude Opus 5 | |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Input $/1M | $1.10 | $5.00 |
| Output $/1M | $4.40 | $25.00 |
| Blended $/1M | $1.93 | $10.00 |
| Context window | 200K | 1M |
| Max output | 100K | 128K |
| Released | Feb 2025 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose o3 Mini High if…
- Costs less per token — $1.93 vs $10.00 blended
Choose Claude Opus 5 if…
- Larger context window (1M)
- Newer model (released Jul 2026)
FAQ
Which is better, o3 Mini High or Claude Opus 5?
We do not hold independently-run benchmark scores covering both o3 Mini High and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o3 Mini High cheaper than Claude Opus 5?
o3 Mini High is cheaper: $1.93 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $1.10 vs $5.00. Output alone: $4.40 vs $25.00.
What context windows do o3 Mini High and Claude Opus 5 have?
o3 Mini High: 200,000 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes o3 Mini High and Claude Opus 5?
o3 Mini High is made by OpenAI. Claude Opus 5 is made by Anthropic.