token.app › Compare › o3 (batch) vs Claude Opus 5
o3 (batch) vs Claude Opus 5
o3 (batch) is 5.7× 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 (batch) | Claude Opus 5 | |
|---|---|---|
| Provider | OpenAI | Anthropic |
| Input $/1M | $1.00 | $5.00 |
| Output $/1M | $4.00 | $25.00 |
| Blended $/1M | $1.75 | $10.00 |
| Context window | 200K | 1M |
| Max output | 100K | 128K |
| Released | Apr 2025 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose o3 (batch) if…
- Costs less per token — $1.75 vs $10.00 blended
Choose Claude Opus 5 if…
- Larger context window (1M)
- Newer model (released Jul 2026)
FAQ
Which is better, o3 (batch) or Claude Opus 5?
We do not hold independently-run benchmark scores covering both o3 (batch) and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is o3 (batch) cheaper than Claude Opus 5?
o3 (batch) is cheaper: $1.75 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $1.00 vs $5.00. Output alone: $4.00 vs $25.00.
What context windows do o3 (batch) and Claude Opus 5 have?
o3 (batch): 200,000 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes o3 (batch) and Claude Opus 5?
o3 (batch) is made by OpenAI. Claude Opus 5 is made by Anthropic.