Compare AI language models available to use on Fuses.ai.
| Model | Source | Input Cost | Output Cost | Knowledge Cutoff | Maximum Context Size | Maximum Output Tokens |
|---|---|---|---|---|---|---|
| Grok 4.3 | xAI | $1.25/M tokens | $2.50/M tokens | - | 1,000,000 | - |
| Grok 4.3 (Fast) | xAI | $1.25/M tokens | $2.50/M tokens | - | 1,000,000 | - |
| Grok 4.5 | xAI | $2.00/M tokens | $6.00/M tokens | - | 200,000 | - |
Pricing updated July 2026.