Claude Fable 5.2 vs Gemini 4 Hydrogen

Price, context window & benchmark comparison

Anthropic

Claude Fable 5.2

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

Gemini 4 Hydrogen

Google
$1.50 / $7.50
Input / Output · per 1M tokens
Compare different models
Anthropic
Google
Verdict: Gemini 4 Hydrogen is 5.3× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix. Gemini 4 Hydrogen has the larger context window (1M vs 1M).
Claude Fable 5.2Gemini 4 Hydrogen
Input price / 1M$8.00$1.50
Output price / 1M$40.00$7.50
Blended price (3:1)$16.00$3.00
Cached input / 1M$0.20$0.075
Context window1M1M
Max output128K944K
Intelligence index64.6—
Coding index——
Providers57
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-11-072026-11-12
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Fable 5.2 or Gemini 4 Hydrogen?

Gemini 4 Hydrogen is 5.3× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix.

Claude Fable 5.2 vs Gemini 4 Hydrogen: which has a bigger context window?

Claude Fable 5.2: 1,000,000 tokens. Gemini 4 Hydrogen: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Fable 5.2 ≈ $36,000, Gemini 4 Hydrogen ≈ $6,750.

More comparisons