Model profile
Kimi

MoonshotAI: Kimi K2 0905

MoonshotAI: Kimi K2 0905 is a budget-priced text-first model from Kimi with partial runtime data, large context posture, and the clearest fit around long-context research / coding.

Best for: Long-context research / CodingN/A latencyLarge contextBudget pricing
Intelligence
24.0

Benchmark blend

Coding
0.610

Dev workflow signal

Context
262K Tokens

Large

Input Price
$0.60

Budget tier

Decision snapshot
56

MoonshotAI: Kimi K2 0905 currently reads as a budget text-first option with large context and a partially published runtime profile.

Overall profile
Selective fit
Best for
Long-context research / Coding
Latency tier
N/A
Price tier
Budget
Source coverage
OpenRouterArtificial Analysis

Decision Strip

Decision rail before the raw tables

Core buy-side signals stay in one pass. The rest of the page expands only after intelligence, speed, context, and price are clear.

Intelligence
24.0
24

General reasoning and benchmark headroom.

Limited
Speed
N/A
N/A

Latency data is partial.

Unavailable
Context
262K Tokens
88

How much prompt and task state can stay in view.

Above average
Price
$0.60
86

$2.50 output / 1M

Efficient

Editorial Profile

MoonshotAI: Kimi K2 0905 in one narrative

Positioning, tradeoffs, and fit are consolidated into one read instead of repeating the same story across separate cards.

Selective fitCoding score 61Math score 57

Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...

Identity

Kimi text-first profile

Positioning

Long-context research / Coding with large context and partially published runtime.

Cost posture

Efficient spend profile. More comfortable for sustained prompt volume if the capability fit is right.

Strengths
  • Large context headroom supports repo-wide prompts and long research sessions.

Tradeoffs
  • Budget-friendly input pricing is a strength, but raw capability may vary by workload.

  • Latency data is incomplete, so interactive responsiveness is harder to rank confidently.

  • Current metadata points to a text-first profile rather than a broad multimodal one.

Best fit
  • Code generation, refactors, test writing, and tool-assisted debugging.

  • Long-context summarization, repo analysis, and policy or document review.

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Context
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Benchmarks

Grouped by job-to-be-done

Only benchmark categories with actual signal are shown. Secondary values stay as simple definitions instead of nested micro-cards.

General intelligence

Broad reasoning, knowledge depth, and flagship benchmark posture.

Intelligence Index
24.0
MMLU Pro
81.9%
GPQA
76.7%
HLE
6.4%
Coding

Software implementation, debugging quality, and coding benchmark signal.

LiveCodeBench
0.610
SciCode
30.7%
Math

Formal reasoning, structured problem solving, and competition-style math.

Math Index
57.3
AIME 2025
57.3%
Agent / tool use

Long-horizon execution quality and interactive benchmark evidence.

IFBench
41.7%
TAU2
73.4%
TerminalBench Hard
23.5%
LCR
53.7%

Specs & Pricing

Technical snapshot and cost posture

Specs stay neutral, pricing gets emphasis through values rather than extra containers. Raw provider internals remain in metadata at the end.

Technical snapshot
Context Window
262K Tokens
Vision
Text-first
Modalities
text
Tokenizer
Other
Max Completion
100352
Moderation
No
Supported Parameters
frequency_penaltymax_tokenspresence_penaltyrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Input Modalities
text
Output Modalities
text
Price architecture
Input
per 1M input tokens
$0.60
Output
per 1M output tokens
$2.50
Blended
AA 3:1 mix
$1.07

This model is relatively efficient on price. It is the easier fit when sustained prompt volume matters.

Metadata

Raw source tables at the end

Verification details remain available, but the page no longer forces them ahead of the editorial read.