Claude Fable 5 vs Grok 4.3 API Price Comparison

Prices updated: ·36 quotes

As of : At official rates, Claude Fable 5 is $10.0000/1M input tokens and Grok 4.3 is $1.2500 — Grok 4.3 is ~88% cheaper than Claude Fable 5. Via relay providers, the lowest Claude Fable 5 rate is $0.1379 (Zhiyuan AI) and Grok 4.3 is $0.0517 (RunAPI). Context windows: Claude Fable 5 1024K, Grok 4.3 1000K. Claude Fable 5 and Grok 4.3 support image input. 36 provider quotes tracked (Claude Fable 5: 25, Grok 4.3: 11), updated daily.
Claude Fable 5Frontier
Official
$10.0000
/ 1M tokens
Best Price
$0.1379
/ 1M tokens
25 providers · 1024K Context · 👁 Vision
Grok 4.3Frontier
Official
$1.2500
/ 1M tokens
Best Price
$0.0517
/ 1M tokens
11 providers · 1000K Context · 👁 Vision
At official prices, Grok 4.3 is ~88% cheaper. At the best relay price, Grok 4.3 is ~63% cheaper.

Price Comparison

Claude Fable 5Grok 4.3
Official input / 1M tokens$10.0000$1.2500 ✓
Official output / 1M tokens$50.0000$2.5000 ✓
Cheapest input / 1M tokens$0.1379$0.0517 ✓
Cheapest output / 1M tokens$0.6897$0.1034 ✓
providers2511
Context1024K1000K
Vision✓✓

Claude Fable 5 — All Providers

Detail page →
ProviderInput / 1MAPI
Official
AnthropicOfficial🌐VisaMCManual
$10.0000
Relay / Aggregator
Zhiyuan AIRelayLive API priceLowest🇨🇳支付宝微信⚠️ Unusually lowLive
$0.1379
dddAIRelayLive API price🇨🇳支付宝微信⚠️ Unusually lowLive
$0.3172
TreeRouterRelayLive API price🇨🇳支付宝微信⚠️ Unusually lowLive
$0.4138
YonshoreAPIRelayLive API price🌐微信⚠️ Unusually lowLive
$0.4138
RunAPIRelayLive API price🇨🇳支付宝微信Live
$0.8276
Bingyun AIRelayLive API price🇨🇳支付宝微信Live
$1.0000

Grok 4.3 — All Providers

Detail page →
ProviderInput / 1MAPI
Official
xAI (Grok)Official🌐VisaMCLive
$1.2500
Relay / Aggregator
RunAPIRelayLive API priceLowest🇨🇳支付宝微信⚠️ Unusually lowLive
$0.0517
LaoZhang APIRelayLive API price🇨🇳支付宝微信Live
$0.1724
EasyRouterRelayLive API price🇨🇳支付宝微信Live
$0.1724
ProAI APIRelayLive API price🇨🇳支付宝微信Live
$0.2069
UiUiAPIRelayLive API price🇨🇳支付宝微信VisaMCLive
$0.4276
CrazyRouterRelayLive API price🌐Live
$1.0625

Frequently Asked Questions

Which is cheaper, Claude Fable 5 or Grok 4.3?

At official price, Grok 4.3 is cheaper by ~88%. At the best relay price, Grok 4.3 with a ~63% difference.

What context window do Claude Fable 5 and Grok 4.3 support?

Claude Fable 5 has a 1024K token context window; Grok 4.3 has 1000K tokens.

Do Claude Fable 5 and Grok 4.3 support image input?

Claude Fable 5 supports image input; Grok 4.3 supports image input.

What is the cheapest way to access Claude Fable 5 or Grok 4.3?

Claude Fable 5's lowest input price is $0.1379/1M tokens (Zhiyuan AI). Grok 4.3's is $0.0517/1M tokens (RunAPI). Relay providers typically offer lower prices with different SLA terms.

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