Kimi K3.1 Pro Highspeed
Kimi K3.1 Pro Highspeed is the faster serving option for Kimi K3.1 Pro, with API ID kimi-k3.1-pro-highspeed.
Provider
Moonshot AI
Model family
Moonshot Kimi
Frontier LLM
Cost tier
K3 1 Pro Highspeed
Status
Current
Release Oct 24, 2026
Why teams choose it
Complex reasoning
Useful for workflows that require structured thinking, multi-step logic, and deeper analysis than lightweight models provide.
Long-context analysis
Helps teams summarize, compare, and extract insights from long documents without losing important nuance.
Moonshot AI roadmap vigilance
Use published model pages—not stale marketing blurbs—for modalities, quotas, pricing, and policy; schedule revalidation tied to vendor release notes.
Cost-efficient routing
Useful as part of a routing stack where cheap models handle drafts and confirmations and this tier handles genuinely hard passages.
Tradeoffs to know
- Input is twice the K3.1 Pro price, and output is twice, while cached input stays $0.20 per million tokens.
- Full weights follow the K3.1 Pro schedule: Moonshot says they will be released by November 4, 2026.
Benchmarks
No independent or vendor benchmark scores in this catalog entry.
Technical specs
- Inputs
- text, image
- Outputs
- text
- License
- Proprietary API
- API ID
kimi-k3.1-pro-highspeed- Context tokens
- 1,048,576
- Speed Vs K3 1 Pro
- about 2-3x
- Input Usd Per Million
- 4
- Output Usd Per Million
- 20
- Cache Read Usd Per Million
- 0.2
- Cache Write 1h Usd Per Million
- 8
- Cache Write 5m Usd Per Million
- 4
- Capabilities
- Same K3.1 Pro capabilities at about 2–3× output speed
- 1,048,576-token context window
- Separate API ID and a higher token price than kimi-k3.1-pro
Moonshot Kimi family lineup
Related models
Kimi K3.1 Pro Highspeed FAQ
What is Kimi K3.1 Pro Highspeed?
Kimi K3.1 Pro Highspeed is the faster serving option for Kimi K3.1 Pro, with API ID kimi-k3.1-pro-highspeed. Moonshot says it has the same capabilities at about 2–3× the output speed. It uses the same 1,048,576-token K3-series context window. The Kimi API pricing page lists $4.00 input, $20.00 output, $0.20 cached input, $4.00 for 5-minute cache writes, and $8.00 for 1-hour cache writes, per million tokens. It is available in the same Kimi products as K3.1 Pro, including Kimi Code and the Kimi API.
When does Kimi K3.1 Pro Highspeed fit best?
Interactive Kimi Code sessions that need faster output
What should teams watch out for with Kimi K3.1 Pro Highspeed?
Input is twice the K3.1 Pro price, and output is twice, while cached input stays $0.20 per million tokens.
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