MODEL COMPARE

Kimi K2 Thinking vs Kimi K3: Pricing, Capabilities and Benchmarks

Compare Kimi K2 Thinking and Kimi K3 across context window, API pricing, modalities, tool use and recommended use cases.

Verified

Model AModel B

DECISION SUMMARY

Decision summary

Recommendations are conditional. Unknown values never count as a loss, and missing comparable benchmarks produce no winner.

Insufficient data

Evidence

comparable_coding_benchmark_missing

No same-source coding benchmark is attached to both model versions.

Insufficient data

Evidence

comparable_agent_benchmark_missing

Capabilities are listed, but a comparable agent benchmark is missing.

Kimi K3

Evidence

context_window_larger

Kimi K2 Thinking=262144; Kimi K3=1048576

Kimi K2 Thinking

Evidence

same_provider_monthly_cost_lower

Kimi K2 Thinking=1.1; Kimi K3=6; input=1000000; cached_input=0; output=200000; provider=OpenRouter

Insufficient data

Evidence

open_weights_support

Kimi K2 Thinking=unknown; Kimi K3=supported

MODEL ATTRIBUTES

Source scope: Provider endpoint

Show differences only

Attribute	Kimi K2 Thinking	Kimi K3	Winner
Context window`context_window_larger`Provider endpoint	262K	1.05M	Kimi K3
Maximum output`max_output_larger`Provider endpoint	100K	Unknown	Insufficient data
Input modalities`input_modalities_differ`Provider endpoint	Text	Text, Image, Video	Insufficient data
Output modalities`output_modalities_differ`Provider endpoint	Text	Text	Insufficient data
Tool calling`tool_calling_support`Provider endpoint	Supported	Supported	Tie
Structured output`structured_output_support`Provider endpoint	Supported	Supported	Tie
Reasoning`reasoning_support`Model	Supported	Supported	Insufficient data
Open weights`open_weights_support`Model	Unknown	Supported	Insufficient data
Input price per 1M tokens`input_price_lower`Provider endpoint	$0.60	$3	Kimi K2 Thinking
Output price per 1M tokens`output_price_lower`Provider endpoint	$2.5	$15	Kimi K2 Thinking

USAGE ESTIMATOR

Estimate token charges for the selected provider endpoints. Image, audio, request and web-search charges are not included.

This is a provider snapshot, not a quote. Confirm production pricing before use.

Monthly input tokensMonthly output tokensCached input tokens

Kimi K2 Thinking$1.1Estimated monthly cost

Kimi K3$6Estimated monthly cost