GPT-5.5 vs Grok 4.3 API Price Comparison
Prices updated: ·49 quotes
As of : GPT-5.5 has an official price of $5.0000/1M tokens; the other has no official direct pricing yet. Via relay providers, the lowest GPT-5.5 rate is $0.0480 (OmniTunnel) and Grok 4.3 is $0.0345 (Qingfengge API). Context windows: GPT-5.5 1050K, Grok 4.3 1000K. GPT-5.5 and Grok 4.3 support image input. 49 provider quotes tracked (GPT-5.5: 35, Grok 4.3: 14), updated daily.
GPT-5.5Frontier
Official
$5.0000
/ 1M tokens
Best Price
$0.0480
/ 1M tokens
35 providers · 1050K Context · 👁 Vision
Grok 4.3Frontier
Lowest
$0.0345
/ 1M tokens
14 providers · 1000K Context · 👁 Vision
At the best relay price, Grok 4.3 is ~28% cheaper.
Price Comparison
| GPT-5.5 | Grok 4.3 | |
|---|---|---|
| Official input / 1M tokens | $5.0000 | — |
| Official output / 1M tokens | $30.0000 | — |
| Cheapest input / 1M tokens | $0.0480 | $0.0345 ✓ |
| Cheapest output / 1M tokens | $0.2880 | $0.0690 ✓ |
| providers | 35 | 14 |
| Context | 1050K | 1000K |
| Vision | ✓ | ✓ |
GPT-5.5 — All Providers
Detail page →Grok 4.3 — All Providers
Detail page →Frequently Asked Questions
Which is cheaper, GPT-5.5 or Grok 4.3?
Official pricing for these two models cannot be directly compared. See the live provider tables below.
What context window do GPT-5.5 and Grok 4.3 support?
GPT-5.5 has a 1050K token context window; Grok 4.3 has 1000K tokens.
Do GPT-5.5 and Grok 4.3 support image input?
GPT-5.5 supports image input; Grok 4.3 supports image input.
What is the cheapest way to access GPT-5.5 or Grok 4.3?
GPT-5.5's lowest input price is $0.0480/1M tokens (OmniTunnel). Grok 4.3's is $0.0345/1M tokens (Qingfengge API). Relay providers typically offer lower prices with different SLA terms.
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