Compare SpaceXAI 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 (Reasoning) | SpaceXAI | $1.25/M tokens | $2.50/M tokens | – | 1,000,000 | – |
| Grok 4.3 | SpaceXAI | $1.25/M tokens | $2.50/M tokens | – | 1,000,000 | – |
| Grok 4.5 | SpaceXAI | $2.00/M tokens | $6.00/M tokens | – | 200,000 | – |
| Grok 4.6 | SpaceXAI | $2.00/M tokens | $6.00/M tokens | Feb 2026 | 200,000 | – |
Pricing updated September 2026.