Moonshot AI: Kimi K2 Thinking

Public pricingIntelligence 81/100Large memoryๆทฑใ„ๆ€่€ƒใƒ„ใƒผใƒซๅˆฉ็”จ

MoonshotAI: Kimi K2 Thinking ใฏ ใƒ†ใ‚ญใ‚นใƒˆ ใƒขใƒ‡ใƒซใงใ€ๆŽจ่ซ–ใ€่จˆ็”ปใ€่‡ชๅ‹•ๅŒ– ใซๅ‘ใ„ใฆใ„ใพใ™ใ€‚ๅฎ‰ๅฎšใ—ใŸใƒ„ใƒผใƒซๅˆฉ็”จใจใ‚จใƒผใ‚ธใ‚งใƒณใƒˆๅ‹•ไฝœใ€ๆทฑใ„ๆŽจ่ซ–ใจ่จˆ็”ปใ€262K tokensใฎใ‚ณใƒณใƒ†ใ‚ญใ‚นใƒˆใ€ใƒใƒฉใƒณใ‚นๅž‹ใ‚ณใ‚นใƒˆใฎ็‰นๆ€งใ‚’็ต„ใฟๅˆใ‚ใ›ใ€reasoning, planning, and multi-step automation ใงๅฎ‰ๅฎšใ—ใŸๅ‹•ไฝœใ‚’ๆ”ฏใˆใพใ™ใ€‚ๅ“่ณชใƒป้€Ÿๅบฆใƒปใ‚ณใ‚นใƒˆ ใŒ้‡่ฆใชๅ ด้ขใซๅˆใฃใฆใŠใ‚Šใ€ๅฎ‰ๅฎšใ—ใŸๅ‡บๅŠ›ใ€ๆŸ”่ปŸใชๅฐŽๅ…ฅใ€ๆ‹กๅผตๆ€งใ‚’ๆฑ‚ใ‚ใ‚‹ใƒใƒผใƒ ใซๅฎŸ็”จ็š„ใงใ™ใ€‚ ๅฎ‰ๅฎšใ—ใŸๅฟœ็ญ”ใ€้•ทใ„ๆ–‡่„ˆๅ‡ฆ็†ใ€ใใ—ใฆ่ฉฆไฝœใ‹ใ‚‰ๆœฌ็•ชใพใงๅบƒใไฝฟใˆใ‚‹ๆŸ”่ปŸใ•ใŒๅฟ…่ฆใชๅ ด้ขใงๅฝน็ซ‹ใกใพใ™ใ€‚ ๅฎ‰ๅฎšใ—ใŸๅฟœ็ญ”ใ€้•ทใ„ๆ–‡่„ˆๅ‡ฆ็†ใ€ใใ—ใฆ่ฉฆไฝœใ‹ใ‚‰ๆœฌ็•ชใพใงๅบƒใไฝฟใˆใ‚‹ๆŸ”่ปŸใ•ใŒๅฟ…่ฆใชๅ ด้ขใงๅฝน็ซ‹ใกใพใ™ใ€‚ ๅฎ‰ๅฎšใ—ใŸๅฟœ็ญ”ใ€้•ทใ„ๆ–‡่„ˆๅ‡ฆ็†ใ€ใใ—ใฆ่ฉฆไฝœใ‹ใ‚‰ๆœฌ็•ชใพใงๅบƒใไฝฟใˆใ‚‹ๆŸ”่ปŸใ•ใŒๅฟ…่ฆใชๅ ด้ขใงๅฝน็ซ‹ใกใพใ™ใ€‚

Input

$0.60/1M

Output

$2.50/1M

Cached

$0.15/1M

Batch

$0.30/1M

Calculate your Kimi K2 Thinking bill.

Set your workload โ€” see cost at your exact volume.

What would Kimi K2 Thinking cost you?

Adjust the workload to see your monthly bill.

1,00010,00050,000250,0001M10M

Technical specifications

Kimi K2 Thinking at a glance.

Memory

262,144

tokens

Max reply

262,144

tokens

Memory tier

Large

an entire book or large codebase

Tokenizer

โ€”

Released

Nov 2025

Training cutoff

Jul 2025

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • aa_intelligence_index

    41
  • frontiermath_tier_4

    0
  • gpqa_diamond

    84.22

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick Kimi K2 Thinking

  • Multi-step reasoning, research agents, or hard math.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.
  • High-volume workloads where unit cost matters.

When to look elsewhere

  • Your workload involves images โ€” pick a vision-capable model instead.

FAQ

Kimi K2 Thinking โ€” the questions we see most.

Pricing, capabilities, alternatives โ€” generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, Kimi K2 Thinking costs roughly $145 per month. Input is $0.60 /1M tokens and output is $2.50 /1M tokens.
Kimi K2 Thinking has a 262,144-token context window (large memory โ€” an entire book or large codebase). That means you can fit about 49,152 words of input and history in a single call.
Beyond text generation, Kimi K2 Thinking supports deep step-by-step reasoning, calling functions / tools, strict JSON output. It streams replies by default.
Kimi K2 Thinking was released in November 2025, with training data cut off around July 2025.
Models in a similar class include Kimi K2.5, Gemini 3 Flash Preview, GPT-5.4 Mini. The "Similar models" section below this FAQ links into each.

Still unsure?

Compare Kimi K2 Thinking against 100+ other models.

Open the full wizard โ€” pick a use case, set your usage, and see side-by-side monthly costs in under a minute.