Home › Compare › SpaceXAI: Grok 4.5 vs SpaceXAI: Grok Build 0.1
SpaceXAI: Grok 4.5 vs SpaceXAI: Grok Build 0.1: API Pricing Compared
Comparing SpaceXAI: Grok 4.5 and SpaceXAI: Grok Build 0.1: on combined input+output list price, SpaceXAI: Grok Build 0.1 is cheaper at $3 vs $8 per 1M tokens — a difference of $5 (62%). SpaceXAI: Grok 4.5 costs $2 in / $6 out with a 500,000-token context; SpaceXAI: Grok Build 0.1 costs $1 in / $2 out with a 256,000-token context.
| SpaceXAI: Grok 4.5 | SpaceXAI: Grok Build 0.1 | |
|---|---|---|
| Input /1M | $2 | $1 |
| Output /1M | $6 | $2 |
| Cached input /1M | $0.3 | $0.2 |
| Context window | 500,000 | 256,000 |
| Max output tokens | 450,000 | 230,400 |
| Cost @ 10M in + 2M out / mo | $32 | $14 |
Estimate your own workload in the cost calculator, or open the full pages for SpaceXAI: Grok 4.5 and SpaceXAI: Grok Build 0.1.
Frequently asked questions
Which is cheaper, SpaceXAI: Grok 4.5 or SpaceXAI: Grok Build 0.1?
SpaceXAI: Grok Build 0.1 is cheaper on combined list price: $3 vs $8 per 1M tokens (input + output). At 10M input + 2M output tokens per month, SpaceXAI: Grok 4.5 costs $32 and SpaceXAI: Grok Build 0.1 costs $14.
Which has the larger context window, SpaceXAI: Grok 4.5 or SpaceXAI: Grok Build 0.1?
SpaceXAI: Grok 4.5 has a context window of 500,000 tokens; SpaceXAI: Grok Build 0.1 has 256,000 tokens. The larger one is SpaceXAI: Grok 4.5.
Price snapshot October 21, 2026, refreshed daily.