This is an all-Anthropic comparison, with Claude Haiku 5.5 (Max) on one side and Claude Opus 5 (Max) on the other. What follows is built entirely from tracked data, so where the catalogue is silent, this page says so instead of guessing. Cost is where they split the most, with Claude Haiku 5.5 Max working out at about 2% of Claude Opus 5 Max's blended rate.
Token pricing and a sample bill
The list prices are $0.10 in and $0.50 out for Claude Haiku 5.5 Max, and $5.00 in and $25.00 out for Claude Opus 5 Max, per million tokens. That makes Claude Haiku 5.5 Max's output 98% cheaper.
For a sample workload of 1 million input tokens and 200,000 output tokens, Claude Haiku 5.5 Max would cost $0.20 and Claude Opus 5 Max $10.00, a difference of $9.80. For a month of coding-assistant traffic at 30 million input and 3 million output tokens, Claude Haiku 5.5 Max would come in 98% lower: $4.50 for Claude Haiku 5.5 Max against $225 for Claude Opus 5 Max.
Claude Opus 5 Max leads on the intelligence index
Claude Haiku 5.5 Max records 36.5 on the intelligence index and Claude Opus 5 Max records 44.2. It is a meaningful gap rather than a rounding difference.
For context, that places Claude Haiku 5.5 Max 37th and Claude Opus 5 Max 26th out of 109 scored models still on offer.
Neither model has a separate coding or math index recorded yet, so those narrower comparisons will have to wait for more data.
Claude Haiku 5.5 Max is the faster writer
Claude Haiku 5.5 Max generates about 233 tokens per second and Claude Opus 5 Max about 50 tokens per second. Claude Haiku 5.5 Max is ahead by 367% on throughput. The wait for the first token averages 4.6 minutes on Claude Haiku 5.5 Max against 62 seconds on Claude Opus 5 Max. The faster writer, Claude Haiku 5.5 Max, gives away too much at the start to win on time: counting the first-token wait, Claude Opus 5 Max finishes first for any reply shorter than about 14,000 tokens. A first-token wait of that length suits background work better than live conversation.
Add the two numbers up for a 400-token reply and Claude Opus 5 Max finishes first: 4.7 minutes for Claude Haiku 5.5 Max, 70 seconds for Claude Opus 5 Max.
Value for money
Dividing the blended price by the intelligence index gives a rough cost per point: $0.0055 for Claude Haiku 5.5 Max and $0.23 for Claude Opus 5 Max, per million tokens. Claude Haiku 5.5 Max delivers each index point for 98% less; whether Claude Opus 5 Max's extra 7.7 points are worth the premium depends on how often your tasks need them.
When they came out
Claude Opus 5 Max came first, on July 24, 2026; Claude Haiku 5.5 Max followed on October 7, 2026.

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