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GPT-5.4 mini vs Kimi K2.6
Detailed comparison of API pricing, technical specifications, and benchmark scores. Updated 2026-07-09.
Cost at a Glance
GPT-5.4 mini and Kimi K2.6 have identical pricing at standard rates.
At 5M input + 2M output tokens per month:
GPT-5.4 mini$12.75/movsKimi K2.6$12.75/mo
Price Comparison (per 1M tokens)
| Metric | GPT-5.4 mini | Kimi K2.6 |
|---|---|---|
| Input (per 1M tokens) | $0.75 | $0.95 |
| Output (per 1M tokens) | $4.50 | $4.00 |
| Cache Write (per 1M tokens) | $0.94 | — |
| Cache Read (per 1M tokens) | $0.07 | — |
| Batch Input (per 1M tokens) | $0.38 | — |
| Batch Output (per 1M tokens) | $2.25 | — |
Input (per 1M tokens)
$0.75vs$0.95
Output (per 1M tokens)
$4.50vs$4.00
Cache Write (per 1M tokens)
$0.94vs—
Cache Read (per 1M tokens)
$0.07vs—
Batch Input (per 1M tokens)
$0.38vs—
Batch Output (per 1M tokens)
$2.25vs—
Prices are per 1 million tokens. Actual costs depend on your monthly token volume. Use the calculator →
Specifications
| Spec | GPT-5.4 mini | Kimi K2.6 |
|---|---|---|
| Context Window | 400K | 262K |
| Max Output Tokens | 128K | 64K |
| Knowledge Cutoff | 2025-08 | 2026-04 |
| Modalities | Text, Image | Text |
| Prompt Caching | Yes | No |
| Batch API | Yes | No |
| Thinking / Reasoning | Yes | Yes |
Context Window
400Kvs262K
Max Output Tokens
128Kvs64K
Knowledge Cutoff
2025-08vs2026-04
Modalities
Text, ImagevsText
Prompt Caching
YesvsNo
Batch API
YesvsNo
Thinking / Reasoning
YesvsYes
Benchmark Scores
| Benchmark | GPT-5.4 mini | Kimi K2.6 |
|---|---|---|
| SWE-bench Verified | 72.0 | 80.2 |
| MMLU-Pro | 78.0 | 83.0 |
| HumanEval | 89.0 | 92.5 |
SWE-bench Verified
72.0vs80.2
MMLU-Pro
78.0vs83.0
HumanEval
89.0vs92.5
Benchmark scores from official provider reports. Higher is better. Missing scores indicate the provider has not published that benchmark yet.
Use Cases
GPT-5.4 mini
fastcheapcodinggeneral
Kimi K2.6
codingbalanced
About the Providers
GPT-5.4 mini is developed by OpenAI. Kimi K2.6 is developed by Moonshot AI. This is a cross-provider comparison between OpenAI and Moonshot AI models. For the most up-to-date pricing, always check the official API documentation from each provider.