token.app › Compare › Gemini 2.5 Pro vs Grok 4.5
Gemini 2.5 Pro vs Grok 4.5
Grok 4.5 is 1.1× cheaper per token on a blended 3:1 basis. Gemini 2.5 Pro accepts the larger context window (1.0M).
Head to head
Blended price uses a 3:1 input:output mix
| Gemini 2.5 Pro | Grok 4.5 | |
|---|---|---|
| Provider | xAI | |
| Input $/1M | $1.25 | $2.00 |
| Output $/1M | $10.00 | $6.00 |
| Blended $/1M | $3.44 | $3.00 |
| Context window | 1.0M | 500K |
| Max output | 66K | — |
| Released | Jun 2025 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose Gemini 2.5 Pro if…
- Larger context window (1.0M)
Choose Grok 4.5 if…
- Costs less per token — $3.00 vs $3.44 blended
- Newer model (released Jul 2026)
FAQ
Which is better, Gemini 2.5 Pro or Grok 4.5?
We do not hold independently-run benchmark scores covering both Gemini 2.5 Pro and Grok 4.5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 2.5 Pro cheaper than Grok 4.5?
Grok 4.5 is cheaper: $3.00 versus $3.44 per million tokens blended at 3:1 input:output. Input alone: $1.25 vs $2.00. Output alone: $10.00 vs $6.00.
What context windows do Gemini 2.5 Pro and Grok 4.5 have?
Gemini 2.5 Pro: 1,048,576 tokens. Grok 4.5: 500,000 tokens.
Who makes Gemini 2.5 Pro and Grok 4.5?
Gemini 2.5 Pro is made by Google. Grok 4.5 is made by xAI.