Here is how Claude Haiku 5.5 (Max), built by Anthropic, lines up against Kimi K3.1 Pro from Kimi. The sharpest difference is price: Claude Haiku 5.5 Max costs $0.50 per million output tokens, against $10.00 for Kimi K3.1 Pro. Everything below is read from the benchmark, price and speed data in Franklin AI's catalogue; nothing here comes from a hands-on test.
Running costs
Claude Haiku 5.5 Max lists $0.10 per million input tokens and $0.50 per million output tokens; Kimi K3.1 Pro lists $2.00 and $10.00. For output tokens, Kimi K3.1 Pro is 20 times the price of Claude Haiku 5.5 Max.
A reference job of 1 million input tokens and 200,000 output tokens costs $0.20 with Claude Haiku 5.5 Max and $4.00 with Kimi K3.1 Pro, so Claude Haiku 5.5 Max saves $3.80. For a month of coding-assistant traffic at 30 million input and 3 million output tokens, Claude Haiku 5.5 Max would come in 95% lower: $4.50 for Claude Haiku 5.5 Max against $90.00 for Kimi K3.1 Pro. Blended at three input tokens per output token, the effective rates are $0.20 for Claude Haiku 5.5 Max and $4.00 for Kimi K3.1 Pro.
Release timing
Kimi K3.1 Pro arrived on October 23, 2026, 16 days after Claude Haiku 5.5 Max (October 7, 2026). They are effectively contemporaries.
Reasoning and overall scores
Claude Haiku 5.5 Max records 36.5 on the intelligence index and Kimi K3.1 Pro records 46.5. This is a substantial lead, not a near miss.
Among 109 active scored models, Claude Haiku 5.5 Max sits 37th and Kimi K3.1 Pro 23rd.
For coding or maths work specifically, the catalogue has no dedicated index on either side yet.
Cost per point of intelligence
Per point of intelligence index, Claude Haiku 5.5 Max costs $0.0055 of blended price per million tokens and Kimi K3.1 Pro $0.086. Kimi K3.1 Pro costs 16 times as much per point, which is the price of its lead.
Waiting time
Claude Haiku 5.5 Max generates about 233 tokens per second and Kimi K3.1 Pro about 27 tokens per second. Claude Haiku 5.5 Max is ahead by 763% on throughput. Time to first token is 4.6 minutes for Claude Haiku 5.5 Max and 3.0 seconds for Kimi K3.1 Pro. The faster writer, Claude Haiku 5.5 Max, gives away too much at the start to win on time: counting the first-token wait, Kimi K3.1 Pro finishes first for any reply shorter than about 8,400 tokens. A first-token wait of that length suits background work better than live conversation.
For a 400-token response, first token plus generation comes to roughly 4.7 minutes on Claude Haiku 5.5 Max and 18 seconds on Kimi K3.1 Pro.

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