Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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Moonshot v1 128k

Long Context

Long-context Moonshot v1 — 128K window. The Chinese long-context champion from before Kimi reasoning launched.

Moonshot v1 128k is a frontier AI model from Moonshot AI. It costs $1.800 per million input tokens and $1.800 per million output tokens (blended $1.800/M), with a 128K-token context window.

Modalities textOfficial model page ↗Compare with another model →Estimate monthly cost →
INPUT
$1.800/M
per million input tokens
OUTPUT
$1.800/M
per million output tokens
BLENDED 70/30
$1.800/M
default reference rate · how it's calculated →
CONTEXT
128K
128,000 tokens
What it's good at
  • 128K context
  • Strong Chinese
  • Cheap long-context
Typical use cases
  • Long-document Chinese RAG
  • Cost-sensitive long-context
Benchmarks
vs. best public score
MMLU79%
Multitask academic knowledge across 57 subjects.
HumanEval65%
Python function synthesis from docstrings.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
More from Moonshot AI
See all 4 →
Kimi k1.5
Reasoning · 128K ctx
in $2.500/Mout $10.000/M
Moonshot v1 32k
Balanced · 32K ctx
in $0.400/Mout $0.400/M
Moonshot v1 8k
Compact · 8K ctx
in $0.120/Mout $0.120/M
Frequently asked questions

How much does Moonshot v1 128k cost?

Moonshot v1 128k costs $1.800 per million input tokens and $1.800 per million output tokens, for a blended reference rate of $1.800 per million tokens.

What is Moonshot v1 128k's context window?

Moonshot v1 128k supports up to 128K tokens of context (128,000 tokens).

What is Moonshot v1 128k best for?

Moonshot v1 128k is well suited to 128K context, Strong Chinese and Cheap long-context.

Who makes Moonshot v1 128k?

Moonshot v1 128k is developed and served by Moonshot AI.