Comparison
Grok 4.6 vs GPT-5.6 Sol
Use grok-4.6 with a Grok Heavy key. Use gpt-5.6-sol with an OpenAI key. One key does not cover both plans.
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Side by side
Grok 4.6
Who this is for: OpenCode Grok preset users calling grok-4.6.
- Grok Heavy plan
- OpenAI-compatible host
- Model id grok-4.6
GPT-5.6 Sol
Who this is for: Codex and Cursor users calling gpt-5.6-sol.
- OpenAI plan
- Responses API in Codex
- Model id gpt-5.6-sol
Who each option is for
Grok 4.6: OpenCode Grok preset users calling grok-4.6.
GPT-5.6 Sol: Codex and Cursor users calling gpt-5.6-sol.
Details
- Who is Grok 4.6 for?
- OpenCode Grok preset users calling grok-4.6.
- Who is GPT-5.6 Sol for?
- Codex and Cursor users calling gpt-5.6-sol.
Related
- Grok 4.6 — Pricing and call shape for grok-4.6.
- GPT-5.6 Sol — Pricing and call shape for gpt-5.6-sol.
- All comparisons — Head-to-head pages for models and for Token Supply.
- Token cost calculator — Price a token mix at listed and official rates.