token.app › Compare › o4 Mini High vs Grok 4.5
o4 Mini High vs Grok 4.5
o4 Mini High is 1.6× cheaper per token on a blended 3:1 basis. Grok 4.5 accepts the larger context window (500K).
Head to head
Blended price uses a 3:1 input:output mix
| o4 Mini High | Grok 4.5 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Input $/1M | $1.10 | $2.00 |
| Output $/1M | $4.40 | $6.00 |
| Blended $/1M | $1.93 | $3.00 |
| Context window | 200K | 500K |
| Max output | 100K | — |
| Released | Apr 2025 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose o4 Mini High if…
- Costs less per token — $1.93 vs $3.00 blended
Choose Grok 4.5 if…
- Larger context window (500K)
- Newer model (released Jul 2026)
FAQ
Which is better, o4 Mini High or Grok 4.5?
We do not hold independently-run benchmark scores covering both o4 Mini High and Grok 4.5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o4 Mini High cheaper than Grok 4.5?
o4 Mini High is cheaper: $1.93 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $1.10 vs $2.00. Output alone: $4.40 vs $6.00.
What context windows do o4 Mini High and Grok 4.5 have?
o4 Mini High: 200,000 tokens. Grok 4.5: 500,000 tokens.
Who makes o4 Mini High and Grok 4.5?
o4 Mini High is made by OpenAI. Grok 4.5 is made by xAI.