Context
1M
Max output
131K
Serving providers
3
Cheapest input
$2.00 /1M
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: Artificial Analysis
Speed & latency
Output speed
52 t/s
tokens / second
Time to first token
2.97s
latency
Headline indices
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
Aa Analyst Agent0.4default—
Automation Bench0.7default—
CritPt25%default—
GDPval (normalized)Frozen Aug 18, 202667%default—
Humanity's Last Exam52%default—
Long-Context Reasoning86%default—
MMMU-Pro84%default—
Omniscience29.5default—
Omniscience Accuracy0.5default—
Omniscience Non Hallucination0.6default—
SciCode61%default—
Terminal Bench400.7default—
Artificial Analysis last published scores for this benchmark on Aug 18, 2026. Scores here are frozen at that date, and models released since are not on it.

Pricing by serving provider

standard tier · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Opencode Go Cheapest$2.00$10.001
Standardopencode_go/kimi-k3.1-pro
ComponentUnitStandard
Text cached in/1M tok$0.20
Text cache write/1M tok$2.00
Text input/1M tok$2.00
Text output/1M tok$10.00
OpenRouter $2.00$10.001
Vercel Reseller quote$2.00$10.001

Price history

OpenRouter routed quote

OpenRouter's price is a routed quote. It moves with whichever upstream route OpenRouter prefers that day, so we do not track it as a price history.

Cost calculator

estimate your monthly spend on this model
$1,200
estimated / month

Model IDs

copy the exact identifier for your platform
moonshotai/kimi-k3.1-promoonshotai/kimi-k3.1-proopencode_go/kimi-k3.1-pro

Frequently asked questions

Kimi K3.1 Pro pricing, context and availability

How much does Kimi K3.1 Pro cost?

Kimi K3.1 Pro costs $2.00 per 1M input tokens from Opencode Go, and $10.00 per 1M output tokens from Opencode Go.

What is the context window of Kimi K3.1 Pro?

Kimi K3.1 Pro accepts up to 1M tokens of context and can return up to 131K output tokens.

Which providers serve Kimi K3.1 Pro?

Kimi K3.1 Pro is available from 3 serving providers, each with its own pricing and model ID. Opencode Go is currently the cheapest.

What can Kimi K3.1 Pro do?

Kimi K3.1 Pro supports image input (vision), tool use and reasoning.

Other Moonshot models

compare pricing across the Moonshot lineup
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 26, 2026

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