Claude Fable 5.2 vs GPT-6 Sol Pro

Price, context window & benchmark comparison

Anthropic

Claude Fable 5.2

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

GPT-6 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
Anthropic
OpenAI
Verdict: GPT-6 Sol Pro is 4.0× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix. GPT-6 Sol Pro has the larger context window (1.1M vs 1M).
Claude Fable 5.2GPT-6 Sol Pro
Input price / 1M$8.00$2.00
Output price / 1M$40.00$10.00
Blended price (3:1)$16.00$4.00
Cached input / 1M$0.20$0.20
Context window1M1.1M
Max output128K128K
Intelligence index64.6—
Coding index——
Providers56
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-11-072026-09-22
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Fable 5.2 or GPT-6 Sol Pro?

GPT-6 Sol Pro is 4.0× cheaper than Claude Fable 5.2 on a typical 3:1 input/output mix.

Claude Fable 5.2 vs GPT-6 Sol Pro: which has a bigger context window?

Claude Fable 5.2: 1,000,000 tokens. GPT-6 Sol Pro: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Fable 5.2 ≈ $36,000, GPT-6 Sol Pro ≈ $9,000.

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