Grok 4.3 vs GPT-5.5 API Price Comparison
Grok 4.3
Official
$1.2500
/ 1M tokens
Best Price
$0.4267
/ 1M tokens
4 providers · 1024K Context · 👁 Vision
GPT-5.5
Official
$5.0000
/ 1M tokens
Best Price
$1.7069
/ 1M tokens
5 providers · 1050K Context · 👁 Vision
At official prices, Grok 4.3 is ~75% cheaper. At the best relay price, Grok 4.3 is ~75% cheaper.
Price Comparison
| Grok 4.3 | GPT-5.5 | |
|---|---|---|
| Official input / 1M tokens | $1.2500 ✓ | $5.0000 |
| Official output / 1M tokens | $2.5000 ✓ | $30.0000 |
| Cheapest input / 1M tokens | $0.4267 ✓ | $1.7069 |
| Cheapest output / 1M tokens | $0.8534 ✓ | $10.2414 |
| providers | 4 | 5 |
| Context | 1024K | 1050K |
| Vision | ✓ | ✓ |
Grok 4.3 — All Providers
Detail page →GPT-5.5 — All Providers
Detail page →Frequently Asked Questions
Which is cheaper, Grok 4.3 or GPT-5.5?
At official price, Grok 4.3 is cheaper by ~75%. At the best relay price, Grok 4.3 with a ~75% difference.
What context window do Grok 4.3 and GPT-5.5 support?
Grok 4.3 has a 1024K token context window; GPT-5.5 has 1050K tokens.
Do Grok 4.3 and GPT-5.5 support image input?
Grok 4.3 supports image input; GPT-5.5 supports image input.
What is the cheapest way to access Grok 4.3 or GPT-5.5?
Grok 4.3's lowest input price is $0.4267/1M tokens (YunWu AI). GPT-5.5's is $1.7069/1M tokens (YunWu AI). Relay providers typically offer lower prices with different SLA terms.
Related