Home › Compare › SpaceXAI: Grok 4.3 vs SpaceXAI: Grok 4.6

SpaceXAI: Grok 4.3 vs SpaceXAI: Grok 4.6: API Pricing Compared

Comparing SpaceXAI: Grok 4.3 and SpaceXAI: Grok 4.6: on combined input+output list price, SpaceXAI: Grok 4.3 is cheaper at $3.75 vs $8 per 1M tokens — a difference of $4.25 (53%). SpaceXAI: Grok 4.3 costs $1.25 in / $2.5 out with a 1,000,000-token context; SpaceXAI: Grok 4.6 costs $2 in / $6 out with a 500,000-token context.
SpaceXAI: Grok 4.3SpaceXAI: Grok 4.6
Input /1M$1.25$2
Output /1M$2.5$6
Cached input /1M$0.2$0.5
Context window1,000,000500,000
Max output tokens900,000450,000
Cost @ 10M in + 2M out / mo$17.5$32

Estimate your own workload in the cost calculator, or open the full pages for SpaceXAI: Grok 4.3 and SpaceXAI: Grok 4.6.

Frequently asked questions

Which is cheaper, SpaceXAI: Grok 4.3 or SpaceXAI: Grok 4.6?

SpaceXAI: Grok 4.3 is cheaper on combined list price: $3.75 vs $8 per 1M tokens (input + output). At 10M input + 2M output tokens per month, SpaceXAI: Grok 4.3 costs $17.5 and SpaceXAI: Grok 4.6 costs $32.

Which has the larger context window, SpaceXAI: Grok 4.3 or SpaceXAI: Grok 4.6?

SpaceXAI: Grok 4.3 has a context window of 1,000,000 tokens; SpaceXAI: Grok 4.6 has 500,000 tokens. The larger one is SpaceXAI: Grok 4.3.

Price snapshot October 21, 2026, refreshed daily.