GPT-5.6 Sol vs Gemini 4 Argon Contributor
Both have similar output pricing, while GPT-5.6 Sol offers a larger context window. Choose GPT-5.6 Sol or Gemini 4 Argon Contributor based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.6 Sol | Gemini 4 Argon Contributor |
|---|---|---|
| Provider | OpenAI | OpenCode Go |
| Input / 1M tokens | $4.00 | $4.00 |
| Output / 1M tokens | $20.00 | $20.00 |
| Context window | 1.1M | 1M |
| Parameters | — | — |
| Open weights | — | No |
| Released | — | Oct 2026 |
| LMArena (Chatbot Arena) Elo score | 1457 | — |
| LMArena WebDev Elo score | 1617 | — |
| Epoch Capabilities Index score | 162 | — |
| LMArena Vision Elo score | 1281 | — |
| GPQA Diamond score | 93.5 | — |
FAQ
Is GPT-5.6 Sol or Gemini 4 Argon Contributor cheaper?
GPT-5.6 Sol and Gemini 4 Argon Contributor have comparable output pricing.
Which has the larger context window, GPT-5.6 Sol or Gemini 4 Argon Contributor?
GPT-5.6 Sol has the larger context window (1.1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.