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GPT-4.1 Mini (batch) vs Kimi K2.5

vs
Kimi K2.5

Moonshot AI

59#209
Signal-by-Signal Comparison
SignalGPT-4.1 Mini (batch)DeltaKimi K2.5
Capabilities
83
--
83
Benchmarks
70
+14
57
Pricing
99
+2
97
Context window size
96
+10
86
Recency
45
-52
98
Output Capacity
75
-15
90
Overall Result
3 wins
of 6
2 wins
GPT-4.1 Mini (batch) wins 3 of 6 signals

Score History

Score History (25 data points)
GPT-4.1 Mini (batch)Kimi K2.5
GPT-4.1 Mini (batch)

58.9

current score

Leader

Kimi K2.5

right now

Kimi K2.5

59.1

current score

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

GPT-4.1 Mini (batch)

OpenAI

Best Value
Per request$0.000600
Daily$2.00
Monthly$60.00
Annual$720.00

Kimi K2.5

Moonshot AI

Per request$0.001995
Daily$6.65
Monthly$199.50
Annual$2394.00

GPT-4.1 Mini (batch) saves you $139.50/month

That's $1674.00/year compared to Kimi K2.5 at your current usage level of 100K calls/month.

70% cheaper
Choose GPT-4.1 Mini (batch) for cost optimization

GPT-4.1 Mini (batch) pricing:
Input:$0.20/M tokens
Output:$0.80/M tokens
Kimi K2.5 pricing:
Input:$0.57/M tokens
Output:$2.85/M tokens
GPT-4.1 Mini (batch)

OpenAI

59

Composite Score

Winner
Kimi K2.5

Moonshot AI

59

Composite Score

Signal-by-Signal Comparison
MetricGPT-4.1 Mini (batch)Kimi K2.5Winner
Overall Score
59
59
Kimi K2.5
Rank#210#209
Kimi K2.5
Quality Rank#210#209
Kimi K2.5
Adoption Rank#210#209
Kimi K2.5
Parameters------
Context Window1048K262K
GPT-4.1 Mini (batch)
Pricing$0.20/$0.80/M$0.57/$2.85/M--
Signal Scores
Capabilities
83
83
GPT-4.1 Mini (batch)
Benchmarks
70
57
GPT-4.1 Mini (batch)
Pricing
99
97
GPT-4.1 Mini (batch)
Context window size
96
86
GPT-4.1 Mini (batch)
Recency
45
98
Kimi K2.5
Output Capacity
75
90
Kimi K2.5
Benchmark Head-to-Head(12 benchmarks)
GPT-4.1 Mini: 0Kimi K2.5: 2
GPT-4.1 Mini
Kimi K2.5
Normalized 0-100%
MMLU
89.2%-
MMLU-Pro
81.8%-
GPQA Diamond
56%-
MATH-500
78.5%-
HumanEval
91.5%-
SWE-bench Verified
54.6%70.8%
IFEval
88.2%-
BBH
84%-
Arena Elo
1300-
LiveBench
64.5%-
HLE
5.4%24.37%
BigCodeBench
31.8%-
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.

GPT-4.1 Mini (batch)Competitive

Scores 59/100 (rank #210), placing it in the top 28% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Kimi K2.5Competitive

Scores 59/100 (rank #209), placing it in the top 28% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-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 GPT-4.1 Mini (batch) when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (1048K token context)

Choose Kimi K2.5 when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
GPT-4.1 Mini (batch)Best Value
Input cost$0.20/M tokens
Output cost$0.80/M tokens
Cost per quality point$0.017
Est. monthly (1M tokens/day)$15.00
Kimi K2.5
Input cost$0.57/M tokens
Output cost$2.85/M tokens
Cost per quality point$0.058
Est. monthly (1M tokens/day)$51.30

GPT-4.1 Mini (batch) offers 71% better value per quality point. At 1M tokens/day, you'd spend $15.00/month with GPT-4.1 Mini (batch) vs $51.30/month with Kimi K2.5 - a $36.30 monthly difference.

Latency & Speed
GPT-4.1 Mini (batch)Faster
Speed score0/100
Kimi K2.5
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

GPT-4.1 Mini (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-4.1 Mini (batch) also offers lower per-token costs for high-volume support

GPT-4.1 Mini (batch)

Long document analysis

Larger context window (1048K tokens) can process longer documents, contracts, and research papers in a single pass

GPT-4.1 Mini (batch)

Batch data extraction

Lower output pricing ($0.80/M) reduces costs when processing thousands of records daily

GPT-4.1 Mini (batch)

Creative writing & content

Higher overall composite score (59/100) correlates with better nuance, coherence, and style in long-form content

Kimi K2.5

Image understanding & OCR

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

GPT-4.1 Mini (batch)
Which Should You Choose?
Our recommendation:
Kimi K2.5

GPT-4.1 Mini (batch) and Kimi K2.5 are extremely close in overall performance (only 0.20000000000000284 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 71% 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
Kimi K2.5
Recommended

by Moonshot AI

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-4.1 Mini (batch)Kimi K2.5
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-4.1 Mini (batch)

OpenAI

Best Value
$1.32
estimated monthly cost

Kimi K2.5

Moonshot AI

$4.45
estimated monthly cost

GPT-4.1 Mini (batch) saves you $3.13/month

That's 70% cheaper than Kimi K2.5 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
ParameterGPT-4.1 Mini (batch)Kimi K2.5
Context Window1.0M262K
Max Output Tokens32,768262,144
Open SourceNoYes
CreatedApr 14, 2025Jan 27, 2026
Last updated: 34m ago

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