Clearly they're positioning it as a mid model.
replyWhich is in itself a bit weird as mid models nowadays are a golden mean fallacy. Terra is much less popular than both Luna (cost-sensitive) and Sol (performance-sensitive).
replyClaude Sonnet is a weird exception to the mid models because Anthropic doesn't do much with Haiku and Opus is too big.
But why include Opus then?
replyHaven't you seen the kernel optimization case study at the bottom of the page? They compare against GPT-5.6 Sol and their model is worse.
replyPresumably because it's worse than Sol, same reason they compared it to Opus 5 not Fable.
replyTheir bigger model is not ready - watermelon code name was still being prepared for release as of a month ago
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