GPT Sol vs Grok
Sol is the safer default and scores higher overall; Grok 4.7 matches it on some agentic work at lower output cost, $2 and $6 against $2 and $10. Grok is the less proven of the two, so treat it as the value play rather than the reliable one.
| GPT Sol | Grok | |
|---|---|---|
| Provider | OpenAI | xAI |
| Current release | GPT-6.1 Sol | 4.7 |
| Tier | Frontier | Frontier |
| Context | 1M | 500K |
| Cost | Moderate | Moderate |
| Modalities | text, vision | text, vision |
| Open weights | No | No |
Cost is a tier, not a quote, providers change prices often. Check OpenAI and xAI before you commit. Last updated 2026-10-21.
Which one to pick
GPT SolOpenAI · GPT-6.1 Sol
Frontier-grade generalist work now that Astra has taken the top of the line
Reach for it when- Production work where maturity and ecosystem matter
- Requests that routinely run long
GrokxAI · 4.7
Agentic coding with tool use, especially inside xAI's own tooling
Reach for it when- High-volume agentic coding under 200K tokens
- You want to cut model spend without dropping to a small model
Related comparisons
- GPT Astra vs GPT SolThe within-OpenAI upgrade question.
- Claude Opus vs GPT SolTwo mid-frontier models, now that GPT-6 Astra sits above Sol and Claude Fable 5.1 sits above Opus.
- GPT Sol vs Gemini ProSol is the stronger all-round generalist; Gemini 3.1 Pro is the reasoning-benchmark leader at a comparable price, $2 and $12 against Sol's $2 and $10.
- Claude Opus vs GrokBoth are pitched at agentic coding.
- Gemini Pro vs GrokSimilar price band, different shapes.
- GPT Sol vs GPT TerraTwo OpenAI generations with the same million-token context.