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claude-sonnet-5.5 vs kimi-k3

kimi-k3 is paused.A paused model is switched off for now and cannot be called. Its figures below are the latest this site has for it.

claude-sonnet-5.5
No edge in the figures
kimi-k3
2 advantages

How to choose

claude-sonnet-5.5No edge in the figures
kimi-k3Cheaper: about $0.0025 a reply, 32% lessOpen weights

claude-sonnet-5.5

By AnthropicNew this week

kimi-k3

By Moonshot AI

Use in chatDetails

Where they differ

claude-sonnet-5.5kimi-k3
On this site
100%5 callsAvailability, last 3 days—
100%5 testsAvailability, this week's tests—
1.5sAverage response this week—
$0.0037Price per reply$0.0025
#40Place in this week's rankingUnranked
$50.00Price per million characters$66.67
The model itself
Jun 2026Knowledge cutoffNot published
28 Sep 2026Released16 Jul 2026
NoOpen weightsYes

Where they match

  • Context length1M tokens
  • Longest reply128K tokens
  • Reads imagesYes
  • Calls toolsYes
  • Thinks before answeringYes
  • Conversations used for trainingUsed to train and improve the provider’s models

Availability over 3 days counts every call made through the site; this week's availability counts every call over the last 7 days, scheduled tests included, and response time comes from the site's own scheduled tests. Free models are counted in calls; big models are charged by usage, in US dollars.

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Figures come from real calls made through this site. Models are served by third-party providers and may slow down or be withdrawn; this page follows those changes.