token.app › Compare › Mercury 3 vs Claude Opus 5
Mercury 3 vs Claude Opus 5
Mercury 3 is 62× cheaper per token on a blended 3:1 basis.
Head to head
Blended price uses a 3:1 input:output mix
| Mercury 3 | Claude Opus 5 | |
|---|---|---|
| Provider | Inception | Anthropic |
| Input $/1M | $0.100 | $5.00 |
| Output $/1M | $0.350 | $25.00 |
| Blended $/1M | $0.163 | $10.00 |
| Context window | 1M | 1M |
| Max output | 131K | 128K |
| Released | Oct 2026 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose Mercury 3 if…
- Costs less per token — $0.163 vs $10.00 blended
- Newer model (released Oct 2026)
Choose Claude Opus 5 if…
- No clear advantage on the data we hold.
FAQ
Which is better, Mercury 3 or Claude Opus 5?
We do not hold independently-run benchmark scores covering both Mercury 3 and Claude Opus 5, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Mercury 3 cheaper than Claude Opus 5?
Mercury 3 is cheaper: $0.163 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $5.00. Output alone: $0.350 vs $25.00.
What context windows do Mercury 3 and Claude Opus 5 have?
Mercury 3: 1,000,000 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Mercury 3 and Claude Opus 5?
Mercury 3 is made by Inception. Claude Opus 5 is made by Anthropic.