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Kimi K2.6 vs o3 Mini

Kimi K2.6

Moonshot AI

76#82
vs
o3 Mini

OpenAI

75#83
Signal-by-Signal Comparison
SignalKimi K2.6Deltao3 Mini
Capabilities
83
--
83
Benchmarks
75
-1
76
Pricing
97
+1
96
Context window size
86
+2
84
Recency
100
+65
35
Output Capacity
90
+7
83
Overall Result
4 wins
of 6
1 wins
Kimi K2.6 wins 4 of 6 signals

Score History

Score History (23 data points)
Kimi K2.6o3 Mini
Kimi K2.6

75.8

current score

Leader

Kimi K2.6

right now

o3 Mini

75.3

current score

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

Kimi K2.6

Moonshot AI

Best Value
Per request$0.002394
Daily$7.98
Monthly$239.40
Annual$2872.80

o3 Mini

OpenAI

Per request$0.003300
Daily$11.00
Monthly$330.00
Annual$3960.00

Kimi K2.6 saves you $90.60/month

That's $1087.20/year compared to o3 Mini at your current usage level of 100K calls/month.

27% cheaper
Choose Kimi K2.6 for cost optimization

Kimi K2.6 pricing:
Input:$0.68/M tokens
Output:$3.42/M tokens
o3 Mini pricing:
Input:$1.10/M tokens
Output:$4.40/M tokens
Winner
Kimi K2.6

Moonshot AI

76

Composite Score

o3 Mini

OpenAI

75

Composite Score

Signal-by-Signal Comparison
MetricKimi K2.6o3 MiniWinner
Overall Score
76
75
Kimi K2.6
Rank#82#83
Kimi K2.6
Quality Rank#82#83
Kimi K2.6
Adoption Rank#82#83
Kimi K2.6
Parameters------
Context Window262K200K
Kimi K2.6
Pricing$0.68/$3.42/M$1.10/$4.40/M--
Signal Scores
Capabilities
83
83
Kimi K2.6
Benchmarks
75
76
o3 Mini
Pricing
97
96
Kimi K2.6
Context window size
86
84
Kimi K2.6
Recency
100
35
Kimi K2.6
Output Capacity
90
83
Kimi K2.6
Benchmark Head-to-Head(12 benchmarks)
Kimi K2.6: 1o3 Mini: 0
Kimi K2.6
o3 Mini
Normalized 0-100%
MMLU
-86.9%
MMLU-Pro
-82.5%
GPQA Diamond
-79.7%
MATH-500
-97.9%
SWE-bench Verified
-49.3%
AIME 2024
-87.3%
IFEval
-90.2%
BBH
-88.5%
Arena Elo
14611371
LiveBench
-71.5%
HLE
-20.3%
BigCodeBench
-33.1%
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 K2.6Strong Performer

Scores 76/100 (rank #82), placing it in the top 72% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
o3 MiniStrong Performer

Scores 75/100 (rank #83), placing it in the top 72% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 1-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Kimi K2.6 when you need:

  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose o3 Mini when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Kimi K2.6Best Value
Input cost$0.68/M tokens
Output cost$3.42/M tokens
Cost per quality point$0.054
Est. monthly (1M tokens/day)$61.56
o3 Mini
Input cost$1.10/M tokens
Output cost$4.40/M tokens
Cost per quality point$0.073
Est. monthly (1M tokens/day)$82.50

Kimi K2.6 offers 25% better value per quality point. At 1M tokens/day, you'd spend $61.56/month with Kimi K2.6 vs $82.50/month with o3 Mini - a $20.94 monthly difference.

Latency & Speed
Kimi K2.6Faster
Speed score0/100
o3 Mini
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 K2.6

Customer support chatbot

Suitable for user-facing chat with competitive response times. Kimi K2.6 also offers lower per-token costs for high-volume support

Kimi K2.6

Long document analysis

Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass

Kimi K2.6

Batch data extraction

Lower output pricing ($3.42/M) reduces costs when processing thousands of records daily

Kimi K2.6

Creative writing & content

Higher overall composite score (76/100) correlates with better nuance, coherence, and style in long-form content

Kimi K2.6

Image understanding & OCR

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

Kimi K2.6
Which Should You Choose?
Our recommendation:
Kimi K2.6

Kimi K2.6 and o3 Mini are extremely close in overall performance (only 0.5 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

Kimi K2.6
Recommended

by Moonshot AI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 25% 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

by OpenAI

Consider for specialized use cases.

Capability Comparison
CapabilityKimi K2.6o3 Mini
Vision (Image Input)differs
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 K2.6

Moonshot AI

Best Value
$5.34
estimated monthly cost

o3 Mini

OpenAI

$7.26
estimated monthly cost

Kimi K2.6 saves you $1.92/month

That's 27% cheaper than o3 Mini 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 K2.6o3 Mini
Context Window262K200K
Max Output Tokens262,144100,000
Open SourceYesNo
CreatedApr 20, 2026Jan 31, 2025
Last updated: 6m ago

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