Choosing between Claude Haiku 5.5 (Max) and Inkling 2 Small also means choosing between Anthropic and Thinking Machines. Inkling 2 Small starts answering far sooner, with a time to first token of 2.2 seconds compared with 4.6 minutes for Claude Haiku 5.5 Max. This page is written automatically from catalogue numbers only: benchmark scores, list prices and measured speed.
Claude Haiku 5.5 Max is the faster writer
Once a response is under way, Claude Haiku 5.5 Max produces roughly 233 tokens per second against 139 tokens per second for Inkling 2 Small. Claude Haiku 5.5 Max is ahead by 68% on throughput. Time to first token is 4.6 minutes for Claude Haiku 5.5 Max and 2.2 seconds for Inkling 2 Small. The faster writer, Claude Haiku 5.5 Max, gives away too much at the start to win on time: counting the first-token wait, Inkling 2 Small finishes first for any reply shorter than about 95,000 tokens. Waits that long are felt on every chat-style request, though they matter less for batch jobs.
Put together, a 1,000-token answer would take about 4.7 minutes from Claude Haiku 5.5 Max and 9.4 seconds from Inkling 2 Small, counting the first-token wait.
Release timing
Inkling 2 Small arrived on November 5, 2026, 29 days after Claude Haiku 5.5 Max (October 7, 2026). That is close enough to count them as the same generation.
Claude Haiku 5.5 Max leads on the intelligence index
Claude Haiku 5.5 Max comes out ahead on the intelligence index, 36.5 to 30.6. That is a clear margin for an index that averages many evaluations. Put another way, Inkling 2 Small would need 19% more on this index to draw level.
Among 109 active scored models, Claude Haiku 5.5 Max sits 37th and Inkling 2 Small 52nd.
Specialist coding and math indexes are missing for both, so treat the overall score as the only capability signal here.
What they cost
Claude Haiku 5.5 Max lists $0.10 per million input tokens and $0.50 per million output tokens; Inkling 2 Small lists $0.30 and $1.00. Inkling 2 Small costs twice as much per output token.
Take 1 million input tokens and 200,000 output tokens: that comes to $0.20 on Claude Haiku 5.5 Max and $0.50 on Inkling 2 Small. A bigger example, a support assistant answering 10,000 conversations of 2,000 input and 500 output tokens each, costs $4.50 on Claude Haiku 5.5 Max and $11.00 on Inkling 2 Small: a gap of $6.50.
Score per dollar
Per point of intelligence index, Claude Haiku 5.5 Max costs $0.0055 of blended price per million tokens and Inkling 2 Small $0.016. Claude Haiku 5.5 Max scores higher and costs less per point, so on price per point there is nothing to trade off.

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