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SpaceXAI: Grok 4.20x-ai

Bottom Line

SpaceXAI: Grok 4.20: $1.25/1M input, $2.50/1M output, 2.0M context, CPS grade B. Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

API Pricing (per 1M tokens)

Input$1.25
Output$2.50
Cache Read—
Cache Write—
Blended (3:1)$1.56

Specs & Performance

Context Length2.0M
Max Output1.8M
Intelligence26
Coding41
Math—
Speed—
TTFT—
CPS GradeB
Input / Output Modalitiestext, image, file → text

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FAQ

How much does the SpaceXAI: Grok 4.20 API cost?

SpaceXAI: Grok 4.20 costs $1.25/1M input tokens and $2.50/1M output tokens. Blended cost at a 3:1 ratio is about $1.56/1M tokens.

What is the context window of SpaceXAI: Grok 4.20?

SpaceXAI: Grok 4.20 supports a 2.0M token context window with up to 1.8M output tokens.

Is SpaceXAI: Grok 4.20 worth it?

SpaceXAI: Grok 4.20 has a CPS grade of B (score 58), intelligence index 26, coding index 41. Use the compare page to benchmark against rivals.