token.app › Compare › Claude Haiku 5.5 vs Mercury 3
Claude Haiku 5.5 vs Mercury 3
Mercury 3 is 1.2× cheaper per token on a blended 3:1 basis.
Head to head
Blended price uses a 3:1 input:output mix
| Claude Haiku 5.5 | Mercury 3 | |
|---|---|---|
| Provider | Anthropic | Inception |
| Input $/1M | $0.100 | $0.100 |
| Output $/1M | $0.500 | $0.350 |
| Blended $/1M | $0.200 | $0.163 |
| Context window | 1M | 1M |
| Max output | 128K | 131K |
| Released | Oct 2026 | Oct 2026 |
| Licence | Proprietary | Proprietary |
Choose Claude Haiku 5.5 if…
- No clear advantage on the data we hold.
Choose Mercury 3 if…
- Costs less per token — $0.163 vs $0.200 blended
- Newer model (released Oct 2026)
FAQ
Which is better, Claude Haiku 5.5 or Mercury 3?
We do not hold independently-run benchmark scores covering both Claude Haiku 5.5 and Mercury 3, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Claude Haiku 5.5 cheaper than Mercury 3?
Mercury 3 is cheaper: $0.163 versus $0.200 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.100. Output alone: $0.500 vs $0.350.
What context windows do Claude Haiku 5.5 and Mercury 3 have?
Claude Haiku 5.5: 1,000,000 tokens. Mercury 3: 1,000,000 tokens.
Who makes Claude Haiku 5.5 and Mercury 3?
Claude Haiku 5.5 is made by Anthropic. Mercury 3 is made by Inception.
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