The Orchestrator › Models › SpaceX AI
SpaceX AI: Grok 4.5
SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Specifications
| Provider | SpaceX AI |
| Model ID | spacexai/grok-4.5 |
| Context window | 500K tokens (500,000) |
| Modalities | text + image + pdf → text |
| Tokenizer | — |
| Router sources | Vercel AI Gateway |
| Released | 2026-07-08 |
| Tracked since | 2026-11-14 |
| Popularity | Not in the ranked set |
| Reasoning | — |
Pricing (per million tokens)
| Variant | Source | API ID | Input | Output | Context |
|---|---|---|---|---|---|
| standard | Vercel AI Gateway | spacexai/grok-4.5 | $2.00 | $6.00 | 500K |
Recorded price history
| Date | Input / 1M | Output / 1M | Context |
|---|---|---|---|
| 2026-11-14 | $2.00 | $6.00 | 500K |
Capabilities
Vision (image input)Agentic tool useStructured outputs256K+ context windowControllable reasoningZero data retentionNo training on inputs (attested)
Trust flags come from TrustedRouter's per-provider attestations.
Supported parameters
max_tokens, temperature, stop, tools, tool_choice, reasoning, include_reasoning, response_format, structured_outputs