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Kimi K3 vs OpenAI GPT Mini Latest

Kimi K3

Moonshot AI

79#61
vs
Signal-by-Signal Comparison
SignalKimi K3DeltaOpenAI GPT Mini Latest
Capabilities
83
-17
100
Benchmarks
78
+78
0
Pricing
85
-10
96
Context window size
86
+6
80
Recency
100
--
100
Output Capacity
20
-65
85
Overall Result
2 wins
of 6
3 wins
OpenAI GPT Mini Latest wins 3 of 6 signals

Score History

Score History (12 data points)
Kimi K3OpenAI GPT Mini Latest
Kimi K3

78.8

current score

Leader

Kimi K3

right now

OpenAI GPT Mini Latest

40

current score

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

Kimi K3

Moonshot AI

Per request$0.010500
Daily$35.00
Monthly$1050.00
Annual$12600.00

OpenAI GPT Mini Latest

~openai

Best Value
Per request$0.003000
Daily$10.00
Monthly$300.00
Annual$3600.00

OpenAI GPT Mini Latest saves you $750.00/month

That's $9000.00/year compared to Kimi K3 at your current usage level of 100K calls/month.

71% cheaper
Choose OpenAI GPT Mini Latest for cost optimization

Kimi K3 pricing:
Input:$3.00/M tokens
Output:$15.00/M tokens
OpenAI GPT Mini Latest pricing:
Input:$0.75/M tokens
Output:$4.50/M tokens
Winner
Kimi K3

Moonshot AI

79

Composite Score

OpenAI GPT Mini Latest

~openai

40

Composite Score

Signal-by-Signal Comparison
MetricKimi K3OpenAI GPT Mini LatestWinner
Overall Score
79
40
Kimi K3
Rank#61#207
Kimi K3
Quality Rank#61#207
Kimi K3
Adoption Rank#61#207
Kimi K3
Parameters------
Context Window1049K400K
Kimi K3
Pricing$3.00/$15.00/M$0.75/$4.50/M--
Signal Scores
Capabilities
83
100
OpenAI GPT Mini Latest
Benchmarks
78
--
Kimi K3
Pricing
85
96
OpenAI GPT Mini Latest
Context window size
86
80
Kimi K3
Recency
100
100
Kimi K3
Output Capacity
20
85
OpenAI GPT Mini Latest
Benchmark Head-to-Head(1 benchmarks)
Kimi K3: 0OpenAI GPT: 0
Kimi K3
OpenAI GPT
Normalized 0-100%
Arena Elo
1486-
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 K3Strong Performer

Scores 79/100 (rank #61), placing it in the top 79% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
OpenAI GPT Mini LatestEntry Level

Scores 40/100 (rank #207), placing it in the top 29% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Kimi K3 has a 39-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 K3 when you need:

  • Processing long documents or large codebases (1049K token context)
  • Step-by-step reasoning and chain-of-thought problem solving

Choose OpenAI GPT Mini Latest when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Kimi K3
Input cost$3.00/M tokens
Output cost$15.00/M tokens
Cost per quality point$0.228
Est. monthly (1M tokens/day)$270.00
OpenAI GPT Mini LatestBest Value
Input cost$0.75/M tokens
Output cost$4.50/M tokens
Cost per quality point$0.131
Est. monthly (1M tokens/day)$78.75

OpenAI GPT Mini Latest offers 71% better value per quality point. At 1M tokens/day, you'd spend $78.75/month with OpenAI GPT Mini Latest vs $270.00/month with Kimi K3 - a $191.25 monthly difference.

Latency & Speed
Kimi K3Faster
Speed score0/100
OpenAI GPT Mini Latest
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 K3

Customer support chatbot

Suitable for user-facing chat with competitive response times. OpenAI GPT Mini Latest also offers lower per-token costs for high-volume support

Kimi K3

Long document analysis

Larger context window (1049K tokens) can process longer documents, contracts, and research papers in a single pass

Kimi K3

Batch data extraction

Lower output pricing ($4.50/M) reduces costs when processing thousands of records daily

OpenAI GPT Mini Latest

Creative writing & content

Higher overall composite score (79/100) correlates with better nuance, coherence, and style in long-form content

Kimi K3

Image understanding & OCR

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

Kimi K3
Which Should You Choose?
Our recommendation:
Kimi K3

Kimi K3 clearly outperforms OpenAI GPT Mini Latest with a significant 38.8-point lead. For most general use cases, Kimi K3 is the stronger choice. However, OpenAI GPT Mini Latest may still excel in niche scenarios.

Kimi K3
Recommended

by Moonshot AI

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

  • Choose for Cost - 71% lower pricing; better value at scale
Capability Comparison
CapabilityKimi K3OpenAI GPT Mini Latest
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 K3

Moonshot AI

$23.40
estimated monthly cost

OpenAI GPT Mini Latest

~openai

Best Value
$6.75
estimated monthly cost

OpenAI GPT Mini Latest saves you $16.65/month

That's 71% cheaper than Kimi K3 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 K3OpenAI GPT Mini Latest
Context Window1.0M400K
Max Output Tokens--128,000
Open SourceNoNo
CreatedJul 16, 2026Apr 27, 2026
Last updated: 25m ago

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Kimi K3 vs OpenAI GPT Mini Latest (2026) | LM Market Cap