Kimi K3.1 Pro
Kimi K3.1 ProRankingconfiguration unstated?
Full ranking →Alternatives?
CheaperGemini 4 Argonhigh+6%-23%*$1.62Synchronous output stops at 65,536+2
OpenDeepSeek V4.1 Flash 1017max-9%-88%$0.26Pass back reasoning_content · Chat Completions+4
CheaperMiniMax M3.1 Flashthinkingsame-90%$0.22No strict JSON+1
CheaperLing 3.1 Flash 1019-8%-30%$1.49No image input
CheaperGrok 4.6xhigh-9%-17%$1.75Context: 1M → 500KGemini 4 Argonhigh+6%-23%*$1.62Synchronous output stops at 65,536+2MiniMax M3.1 Flashthinkingsame-90%$0.22No strict JSON+1Ling 3.1 Flash 1019-8%-30%$1.49No image inputGrok 4.6xhigh-9%-17%$1.75Context: 1M → 500KDeepSeek V4.1 Flash 1017maxOpen-9%-88%$0.26Pass back reasoning_content · Chat Completions+4Gemini 4 Argonhigh+6%-23%*$1.62Synchronous output stops at 65,536+2DeepSeek V4.1 Flash 1017maxOpen-9%-88%$0.26Pass back reasoning_content · Chat Completions+4
MiMo v2.6 FlashthinkingOpen-13%-97%$0.062Pass back reasoning_content+3
GLM 5.3maxOpen-15%-5%$2.01No image input+4Ling 3.1 FlashOpen-16%-52%$1.01No image inputGLM 5.3 FlashmaxOpen-18%-87%$0.28Defaults to max · Self-hosted+4Kimi K3maxOpen-20%-5%$2.00Sampling parameters are fixed+3Kimi K2.7 CodethinkingOpen-67%-74%$0.54Context: 1M → 256K+1Kimi K2.6thinkingOpen-82%-67%$0.71Context: 1M → 256KKimi K3.1 Pro Highspeedn/a—$4 / $20Kimi K2.5thinkingOpenn/a—$0.60 / $3Context: 1M → 256KKimi K2 ThinkingthinkingOpenn/a—$0.47 / $2Context: 1M → 256K+1Kimi K2 0905non-thinkingOpenn/a—$0.40 / $2Context: 1M → 256K+1Kimi K2 0711non-thinkingOpenn/a—$0.50 / $2Context: 1M → 128K+2All Moonshot AI models →Benchmarks
in Agents & Tool UseFAQ
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 Gemini 4 Argon?›
On AutomationBench-AA, Kimi K3.1 Pro scores 73.3 vs 77.5 — lower. It is 31% 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 DeepSeek V4.1 Flash 1017.
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?›
Gemini 4 Argon (cheaper), DeepSeek V4.1 Flash 1017 (open weights).