Claude Fable 5.2 vs Grok 4.20 Multi-Agent

Price, context window & benchmark comparison

Anthropic

Claude Fable 5.2

Anthropic
$8.00 / $40.00
Input / Output · per 1M tokens
VS
xAI

Grok 4.20 Multi-Agent

xAI
$1.25 / $2.50
Input / Output · per 1M tokens
Compare different models
Anthropic
xAI
Verdict: Grok 4.20 Multi-Agent is 10.2× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix. Grok 4.20 Multi-Agent has the larger context window (2M vs 1M).
Claude Fable 5.2Grok 4.20 Multi-Agent
Input price / 1M$8.00$1.25
Output price / 1M$40.00$2.50
Blended price (3:1)$16.00$1.56
Cached input / 1M$0.20$0.20
Context window1M2M
Max output128K1.8M
Intelligence index64.6—
Coding index——
Providers5—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesNo
Released2026-11-072026-03-31
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Fable 5.2 or Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent is 10.2× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix.

Claude Fable 5.2 vs Grok 4.20 Multi-Agent: which has a bigger context window?

Claude Fable 5.2: 1,000,000 tokens. Grok 4.20 Multi-Agent: 2,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Fable 5.2 ≈ $36,000, Grok 4.20 Multi-Agent ≈ $3,750.

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