| Signal | GPT-4.1 Mini | Delta | Kimi K2 0905 |
|---|---|---|---|
Capabilities | 83 | +33 | |
Benchmarks | 51 | +0 | |
Pricing | 98 | +0 | |
Context window size | 96 | +14 | |
Recency | 68 | -26 | |
Output Capacity | 75 | +55 | |
| Overall Result | 5 wins | of 6 | 1 wins |
Score History
53.6
current score
GPT-4.1 Mini
right now
52.2
current score
OpenAI
Moonshot AI
GPT-4.1 Mini saves you $20.00/month
That's $240.00/year compared to Kimi K2 0905 at your current usage level of 100K calls/month.
| Metric | GPT-4.1 Mini | Kimi K2 0905 | Winner |
|---|---|---|---|
| Overall Score | 54 | 52 | GPT-4.1 Mini |
| Rank | #147 | #149 | GPT-4.1 Mini |
| Quality Rank | #147 | #149 | GPT-4.1 Mini |
| Adoption Rank | #147 | #149 | GPT-4.1 Mini |
| Parameters | -- | -- | -- |
| Context Window | 1048K | 131K | GPT-4.1 Mini |
| Pricing | $0.40/$1.60/M | $0.40/$2.00/M | -- |
| Signal Scores | |||
| Capabilities | 83 | 50 | GPT-4.1 Mini |
| Benchmarks | 51 | 51 | GPT-4.1 Mini |
| Pricing | 98 | 98 | GPT-4.1 Mini |
| Context window size | 96 | 81 | GPT-4.1 Mini |
| Recency | 68 | 94 | Kimi K2 0905 |
| Output Capacity | 75 | 20 | GPT-4.1 Mini |
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.
Scores 54/100 (rank #147), placing it in the top 50% of all 290 models tracked.
Scores 52/100 (rank #149), placing it in the top 49% of all 290 models tracked.
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.
GPT-4.1 Mini offers 17% better value per quality point. At 1M tokens/day, you'd spend $30.00/month with GPT-4.1 Mini vs $36.00/month with Kimi K2 0905 - a $6.00 monthly difference.
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.
Code generation & review
Higher benchmark score (0/100) indicates stronger performance on coding tasks like generating functions, debugging, and refactoring
Customer support chatbot
Faster response time (speed score 0/100) is critical for user-facing chat. GPT-4.1 Mini also offers lower per-token costs for high-volume support
Long document analysis
Larger context window (1048K tokens) can process longer documents, contracts, and research papers in a single pass
Batch data extraction
Lower output pricing ($1.60/M) reduces costs when processing thousands of records daily
Creative writing & content
Higher overall composite score (54/100) correlates with better nuance, coherence, and style in long-form content
Image understanding & OCR
Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly
GPT-4.1 Mini and Kimi K2 0905 are extremely close in overall performance (only 1.3999999999999986 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.
Best for Quality
GPT-4.1 Mini
Marginally better benchmark scores; both are excellent
Best for Cost
GPT-4.1 Mini
17% lower pricing; better value at scale
Best for Reliability
GPT-4.1 Mini
Higher uptime and faster response speeds
Best for Prototyping
GPT-4.1 Mini
Stronger community support and better developer experience
Best for Production
GPT-4.1 Mini
Wider enterprise adoption and proven at scale
by OpenAI
| Capability | GPT-4.1 Mini | Kimi K2 0905 |
|---|---|---|
| Vision (Image Input)differs | ||
| Function Calling | ||
| Streaming | ||
| JSON Mode | ||
| Reasoning | ||
| Web Searchdiffers | ||
| Image Output |
OpenAI
Moonshot AI
GPT-4.1 Mini saves you $0.4800/month
That's 15% cheaper than Kimi K2 0905 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.
| Parameter | GPT-4.1 Mini | Kimi K2 0905 |
|---|---|---|
| Context Window | 1.0M | 131K |
| Max Output Tokens | 32,768 | -- |
| Open Source | No | Yes |
| Created | Apr 14, 2025 | Sep 4, 2025 |
GPT-4.1 Mini scores 54/100 (rank #147) compared to Kimi K2 0905's 52/100 (rank #149), giving it a 1-point advantage. GPT-4.1 Mini is the stronger overall choice, though Kimi K2 0905 may excel in specific areas like certain benchmarks.
GPT-4.1 Mini is ranked #147 and Kimi K2 0905 is ranked #149 out of 290+ AI models. Rankings use a composite score combining benchmark performance (90%) from MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations, with capabilities and context window as tiebreakers (10%). Scores update hourly.
GPT-4.1 Mini is cheaper at $1.60/M output tokens vs Kimi K2 0905's $2.00/M output tokens - 1.3x more expensive. Input token pricing: GPT-4.1 Mini at $0.40/M vs Kimi K2 0905 at $0.40/M.
GPT-4.1 Mini has a larger context window of 1,047,576 tokens compared to Kimi K2 0905's 131,072 tokens. A larger context window means the model can process longer documents and conversations.