token.app › Compare › Grok 4.3 vs GPT-5.6 Sol
Grok 4.3 vs GPT-5.6 Sol
Grok 4.3 is 7.2× cheaper per token on a blended 3:1 basis. GPT-5.6 Sol accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| Grok 4.3 | GPT-5.6 Sol | |
|---|---|---|
| Provider | xAI | OpenAI |
| Input $/1M | $1.25 | $5.00 |
| Output $/1M | $2.50 | $30.00 |
| Blended $/1M | $1.56 | $11.25 |
| Context window | 1M | 1.1M |
| Max output | — | 128K |
| Released | Apr 2026 | Jul 2026 |
| Licence | Proprietary | Proprietary |
Choose Grok 4.3 if…
- Costs less per token — $1.56 vs $11.25 blended
Choose GPT-5.6 Sol if…
- Larger context window (1.1M)
- Newer model (released Jul 2026)
FAQ
Which is better, Grok 4.3 or GPT-5.6 Sol?
We do not hold independently-run benchmark scores covering both Grok 4.3 and GPT-5.6 Sol, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Grok 4.3 cheaper than GPT-5.6 Sol?
Grok 4.3 is cheaper: $1.56 versus $11.25 per million tokens blended at 3:1 input:output. Input alone: $1.25 vs $5.00. Output alone: $2.50 vs $30.00.
What context windows do Grok 4.3 and GPT-5.6 Sol have?
Grok 4.3: 1,000,000 tokens. GPT-5.6 Sol: 1,050,000 tokens.
Who makes Grok 4.3 and GPT-5.6 Sol?
Grok 4.3 is made by xAI. GPT-5.6 Sol is made by OpenAI.