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Claude Max 20x vs Kimi Vivace
Claude Max 20x is our pick of the top band. Claude Max 20x costs $200/mo, 1x Kimi Vivace's $199/mo.
Our verdict
The Anthropic ladder. Every Claude plan is Claude Code on the same 5-hour rolling window, and a bigger rung buys a bigger allowance. The exception is Fable, which ships only on the Max tiers, so $20 buys Opus 5 and Sonnet 5 rather than the flagship. Our paired runs put the real 5x-to-20x gap nearer 5.7x than the advertised 4x.
The Moonshot AI ladder. Every Kimi tier runs the same open-weight K3 on the same credit mechanics, and the rungs are credit multiples of the $19 tier (roughly 2x, 5x and 10x its allowance). Pick a rung by how much you will use; the model is identical everywhere.
Claude Max 20x is our pick of the top band.
Claude Max 20x is for all-day work with several agents running at once; Kimi Vivace is for committed Kimi users at full-time volume.
Claude Max 20x costs $200/mo, 1x Kimi Vivace's $199/mo.
We have not measured Kimi Vivace on its own plan; its card below points at the closest graded evidence.
The strongest models available with the window to run them in parallel. It is also the easiest plan here to overpay for: Max 5x clears most single-agent days at half the price, so the honest case for 20x is several agents at once, not more capability.
Pros
- The strongest models available today
- Enough window for several agents at once
- The widest model choice of any plan here
Cons
- Max 5x covers most single-agent days for $100 less
- The value case leans on the current promotion
Best for All-day work with several agents running at once.
How far it goes: about 3 to 20 times per 5h window
Our whole Real-world issues suite runs about 3 to 20 times per 5h window on this plan, depending on which model you run.
That works out at about 7c to 47c of the subscription per run, at the list price.
Measured on this plan, at 5% to 34%/5h of its allowance per run. A share belongs to the plan it was measured on, so we never subtract one plan's from another's.
At $199 this sits next to the strongest plans on the page. Full-time volume on an open-weight model is a coherent thing to want; wanting it from a model moving the wrong way in our own use is the hard part.
Pros
- Ten times the entry allowance
- Full-time open-weight volume
Cons
- Priced against far stronger rivals
- K3 has got worse while the price has not
Best for Committed Kimi users at full-time volume.
How far it goes: we have not measured this plan
No graded Kimi subject at the moment; see the leaderboard for graded alternatives.
The leaderboard lists every plan we do grade.
Verdicts and prices are the quiz's versioned editorial catalog, last reviewed 2026-08-20; usage figures come from our own published runs and stay a share of each plan's own allowance. Any other pair composes on the subscription comparison, and the quiz turns your answers into a recommendation.
Frequently asked questions
Which should I pick, Claude Max 20x or Kimi Vivace?
Claude Max 20x is our pick of the top band. Claude Max 20x is for all-day work with several agents running at once; Kimi Vivace is for committed Kimi users at full-time volume.
How much do Claude Max 20x and Kimi Vivace cost?
Claude Max 20x costs $200/month (public price as of 2026-08-12); Kimi Vivace costs $199/month (public price as of 2026-08-12).
How far does a suite run go on Claude Max 20x versus Kimi Vivace?
Our whole Real-world issues suite fits about 3 to 20 times per 5h window on Claude Max 20x. We have not measured Kimi Vivace on its own plan. Each figure is a share of that plan's own allowance, so the two are never subtracted.