LLM Comparison
GPT-5.4 Pro vs Kimi K2.5
Side-by-side specs, pricing & capabilities · Updated May 2026
Price vs Intelligence
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2/6 modelsSame tier:
| Organization | ||
| OpenTools Score | 82 0.8 | 62 58.8 |
| Family | GPT | Kimi |
| Status | Current | Current |
| Release Date | Mar 2026 | Jan 2026 |
| Context Window | 1.1M tokens | 262K tokens |
| Input Price | $30.00/M tokens | $0.38/M tokens |
| Output Price | $180.00/M tokens | $1.72/M tokens |
| Pricing Notes | — | Cache read: $0.1913/M tokens |
| Capabilities | textvisioncode | textvisioncode |
| Max Output | 128K tokens | 66K tokens |
| API Identifier | openai/gpt-5.4-pro | moonshotai/kimi-k2.5 |
| Benchmarks | ||
| GPQA Diamond | 93openai | — |
| SWE-bench Pro | 57.7openai | — |
| MATH-500 | 94.6openai | — |
| View GPT-5.4 Pro | View Kimi K2.5 | |
Cost Calculator
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Kimi K2.5Cheapest | $0.38 | $0.86 | $1.24 | — |
| GPT-5.4 Pro | $30.00 | $90.00 | $120.00 | +9556% |
OpenAI
GPT-5.4 Pro
GPT-5.4 Pro is a multimodal llm from OpenAI. Supports up to 1,050,000 token context window. Available from $30.00/M input tokens.
Moonshot AI
Kimi K2.5
Kimi K2.5 is a multimodal llm from Moonshot AI. Supports up to 262,144 token context window. Available from $0.38/M input tokens.
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