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Kimi K2.5 vs Grok 4.7

Kimi K2.5

Moonshot AI

48#229
vs
Grok 4.7

xAI

89#42
Signal-by-Signal Comparison
SignalKimi K2.5DeltaGrok 4.7
Capabilities
83
-17
100
Pricing
98
+3
95
Context window size
86
-4
90
Recency
89
-11
100
Output Capacity
86
-4
90
Benchmarks
0
-86
86
Overall Result
1 wins
of 6
5 wins
Grok 4.7 wins 5 of 6 signals

Score History

Score History (32 data points)
Kimi K2.5Grok 4.7
Kimi K2.5

47.5

current score

Leader

Grok 4.7

right now

Grok 4.7

88.8

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Kimi K2.5

Moonshot AI

Best Value
Per request$0.001575
Daily$5.25
Monthly$157.50
Annual$1890.00

Grok 4.7

xAI

Per request$0.004000
Daily$13.33
Monthly$400.00
Annual$4800.00

Kimi K2.5 saves you $242.50/month

That's $2910.00/year compared to Grok 4.7 at your current usage level of 100K calls/month.

61% cheaper
Choose Kimi K2.5 for cost optimization

Kimi K2.5 pricing:
Input:$0.45/M tokens
Output:$2.25/M tokens
Grok 4.7 pricing:
Input:$1.60/M tokens
Output:$4.80/M tokens
Kimi K2.5

Moonshot AI

48

Composite Score

Winner
Grok 4.7

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricKimi K2.5Grok 4.7Winner
Overall Score
48
89
Grok 4.7
Rank#229#42
Grok 4.7
Quality Rank#229#42
Grok 4.7
Adoption Rank#229#42
Grok 4.7
Parameters------
Context Window262K500K
Grok 4.7
Pricing$0.45/$2.25/M$1.60/$4.80/M--
Signal Scores
Capabilities
83
100
Grok 4.7
Pricing
98
95
Kimi K2.5
Context window size
86
90
Grok 4.7
Recency
89
100
Grok 4.7
Output Capacity
86
90
Grok 4.7
Benchmarks--
86
Grok 4.7
Benchmark Head-to-Head(12 benchmarks)
Kimi K2.5: 0Grok 4.7: 0
Kimi K2.5
Grok 4.7
Normalized 0-100%
MMLU
-91.5%
MMLU-Pro
-83.5%
GPQA Diamond
-82%
MATH-500
-95%
HumanEval
-95.5%
SWE-bench Verified
-70%
AIME 2024
-88%
IFEval
-91%
BBH
-90%
Arena Elo
-1462
LiveBench
-73%
HLE
24.37%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Kimi K2.5Entry Level

Scores 48/100 (rank #229), placing it in the top 21% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok 4.7Elite Tier

Scores 89/100 (rank #42), placing it in the top 86% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Grok 4.7 has a 41-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Kimi K2.5 when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Grok 4.7 when you need:

  • Processing long documents or large codebases (500K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Kimi K2.5Best Value
Input cost$0.45/M tokens
Output cost$2.25/M tokens
Cost per quality point$0.057
Est. monthly (1M tokens/day)$40.50
Grok 4.7
Input cost$1.60/M tokens
Output cost$4.80/M tokens
Cost per quality point$0.072
Est. monthly (1M tokens/day)$96.00

Kimi K2.5 offers 58% better value per quality point. At 1M tokens/day, you'd spend $40.50/month with Kimi K2.5 vs $96.00/month with Grok 4.7 - a $55.50 monthly difference.

Latency & Speed
Kimi K2.5Faster
Speed score0/100
Grok 4.7
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Kimi K2.5

Customer support chatbot

Suitable for user-facing chat with competitive response times. Kimi K2.5 also offers lower per-token costs for high-volume support

Kimi K2.5

Long document analysis

Larger context window (500K tokens) can process longer documents, contracts, and research papers in a single pass

Grok 4.7

Batch data extraction

Lower output pricing ($2.25/M) reduces costs when processing thousands of records daily

Kimi K2.5

Creative writing & content

Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content

Grok 4.7

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Kimi K2.5
Which Should You Choose?
Our recommendation:
Grok 4.7

Grok 4.7 clearly outperforms Kimi K2.5 with a significant 41.3-point lead. For most general use cases, Grok 4.7 is the stronger choice. However, Kimi K2.5 may still excel in niche scenarios.

by Moonshot AI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 58% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
Grok 4.7
Recommended

by xAI

Consider for specialized use cases.

Capability Comparison
CapabilityKimi K2.5Grok 4.7
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Kimi K2.5

Moonshot AI

Best Value
$3.51
estimated monthly cost

Grok 4.7

xAI

$8.64
estimated monthly cost

Kimi K2.5 saves you $5.13/month

That's 59% cheaper than Grok 4.7 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterKimi K2.5Grok 4.7
Context Window262K500K
Max Output Tokens235,929450,000
Open SourceYesNo
CreatedJan 27, 2026Sep 21, 2026
Last updated: 21m ago

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