Kimi K3.1 Pro
Kimi K3.1 ProRankingconfiguration unstated?
Alternatives?
CheaperKimi K3maxOpen+3%-5%$2.00Sampling parameters are fixed+3
BetterStep 5 PreviewthinkingOpen+2%-51%$1.03web_search not available · Chat Completions+2
CheaperMiMo v2.6 ProthinkingOpensame-94%$0.13Pass back reasoning_content+3
CheaperClaude Opus 5.5medium-2%-37%$1.34No forced tool use+5
CheaperGPT-5.5high-2%-34%$1.40Prompts with >272K input tokensKimi K3maxOpen+3%-5%$2.00Sampling parameters are fixed+3Step 5 PreviewthinkingOpen+2%-51%$1.03web_search not available · Chat Completions+2MiMo v2.6 ProthinkingOpensame-94%$0.13Pass back reasoning_content+3Claude Opus 5.5medium-2%-37%$1.34No forced tool use+5GPT-5.5high-2%-34%$1.40Prompts with >272K input tokensStep 5 PreviewthinkingOpen+2%-51%$1.03web_search not available · Chat Completions+2Kimi K3maxOpen+3%-5%$2.00Sampling parameters are fixed+3Kimi K3maxOpen+3%-5%$2.00Sampling parameters are fixed+3Step 5 PreviewthinkingOpen+2%-51%$1.03web_search not available · Chat Completions+2MiMo v2.6 ProthinkingOpensame-94%$0.13Pass back reasoning_content+3
Muse Glimmer 30BhighOpen-3%-97%$0.058Context: 1M → 131K
Ling 3.1 FlashOpen-4%-52%$1.01No image inputKimi K3maxOpen+3%-5%$2.00Sampling parameters are fixed+3Kimi K2.6thinkingOpen-6%-67%$0.71Context: 1M → 256KKimi K2.7 CodethinkingOpen-8%-74%$0.54Context: 1M → 256K+1Kimi K2.5thinkingOpen-10%—$0.60 / $3Context: 1M → 256KKimi K2 ThinkingthinkingOpen-17%—$0.47 / $2Context: 1M → 256K+1Kimi K2 0905non-thinkingOpen-39%—$0.40 / $2Context: 1M → 256K+1Kimi K2 0711non-thinkingOpen-39%—$0.50 / $2Context: 1M → 128K+2Kimi K3.1 Pro Highspeedn/a—$4 / $20All Moonshot AI models →Benchmarks
all categoriesFAQ
How much does Kimi K3.1 Pro cost?›
$2 per 1M input tokens and $10 per 1M output tokens; cached input $0.20 per 1M. A typical benchmark task costs about $2.11 at default effort.
Is Kimi K3.1 Pro free to use?›
There is no free API; the cheapest paid price is $2 per 1M input tokens.
How good is Kimi K3.1 Pro, and what is it best at?›
#10 of 360 in Chat & Knowledge, #1 of 137 in Coding, #2 of 138 in Agents & Tool Use, #7 of 132 in Vision & Documents. Strongest at: Coding, Reasoning, Long context, Knowledge, Vision.
Is Kimi K3.1 Pro better than MiMo v2.6 Pro?›
On AA-LCR (long context) 1.1, Kimi K3.1 Pro scores 86.3 vs 86.3 — about the same. It is 1,487% more expensive per task.
How can I use Kimi K3.1 Pro?›
Through the API of Moonshot AI, Novita.
What is the context window of Kimi K3.1 Pro?›
1M tokens.
When was Kimi K3.1 Pro released? Is there a newer version?›
Released 2026-10-23. It is the current version in its line.
Is Kimi K3.1 Pro open source?›
No, Kimi K3.1 Pro is a closed model available through an API. The closest open-weights option here is Kimi K3.
Can Kimi K3.1 Pro read images?›
It accepts text and images, video as input.
What is Kimi K3.1 Pro?›
Kimi K3.1 Pro is a closed language model from Moonshot AI, released Oct 2026.
What are the best alternatives to Kimi K3.1 Pro?›
Kimi K3 (cheaper), Step 5 Preview (better).