Kimi K3.1 Pro
Kimi K3.1 ProRankingconfiguration unstated?
Full ranking →Alternatives?
OpenGLM 5.3max-38%-5%$2.01No image input+4
OpenMiMo v2.6 Prothinking-48%-94%$0.13Pass back reasoning_content+3
OpenDeepSeek V4.1 Flash 1017max-50%-88%$0.26Pass back reasoning_content · Chat Completions+4
OpenLing 3.1 Flash-50%-52%$1.01No image input
OpenStep 5 Previewthinking-50%-51%$1.03web_search not available · Chat Completions+2GLM 5.3maxOpen-38%-5%$2.01No image input+4MiMo v2.6 ProthinkingOpen-48%-94%$0.13Pass back reasoning_content+3DeepSeek V4.1 Flash 1017maxOpen-50%-88%$0.26Pass back reasoning_content · Chat Completions+4Ling 3.1 FlashOpen-50%-52%$1.01No image inputStep 5 PreviewthinkingOpen-50%-51%$1.03web_search not available · Chat Completions+2Kimi K3maxOpen-81%-5%$2.00Sampling parameters are fixed+3Kimi K2.7 CodethinkingOpen-98%-74%$0.54Context: 1M → 256K+1Kimi K2.6thinkingOpen-99%-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 Claude Sonnet 5.5?›
On Terminal-Bench 4.0, Kimi K3.1 Pro scores 67.2 vs 63.6 — higher. It is 61% cheaper 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 GLM 5.3.
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?›
GLM 5.3 (open weights).