As tribute, I bit the bullet on the $40 plan to test out K3.1 Pro.
replyStill burning through the 5-hour rate limit way too quickly, though. Output quality seems solid enough, but the value will probably make a lot more sense via API pricing for smaller projects.
My current tier list based on what I’ve been testing:
1. Opus 5.5
2. Astra
3. Argon
4. Kimi K3.1 Pro
(For lightweight/daily driver tasks, Gemini Flash 3.8, DeepSeek Flash, and Luna are still up there as favorites.)
In my experience, the difference between your 1 & 2, and your 2 & 3 are huge, and I don't find Argon to be usable for any big tasks because it really does a big mess every now and then (which Astra also does but much less frequently and not in a "I just implemented something else with unusable code" way), and Placing Kimi after it seems like a very low evaluation.
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