token.app › Compare › o3 (batch) vs Grok 4.5
o3 (batch) vs Grok 4.5
o3 (batch) is 1.7× 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
| o3 (batch) | Grok 4.5 | |
|---|---|---|
| Provider | OpenAI | xAI |
| Input $/1M | $1.00 | $2.00 |
| Output $/1M | $4.00 | $6.00 |
| Blended $/1M | $1.75 | $3.00 |
| Context window | 200K | 500K |
| Max output | 100K | — |
| Released | Apr 2025 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose o3 (batch) if…
- Costs less per token — $1.75 vs $3.00 blended
Choose Grok 4.5 if…
- Larger context window (500K)
- Newer model (released Jul 2026)
FAQ
Which is better, o3 (batch) or Grok 4.5?
We do not hold independently-run benchmark scores covering both o3 (batch) and Grok 4.5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o3 (batch) cheaper than Grok 4.5?
o3 (batch) is cheaper: $1.75 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $2.00. Output alone: $4.00 vs $6.00.
What context windows do o3 (batch) and Grok 4.5 have?
o3 (batch): 200,000 tokens. Grok 4.5: 500,000 tokens.
Who makes o3 (batch) and Grok 4.5?
o3 (batch) is made by OpenAI. Grok 4.5 is made by xAI.