Head-to-head
ChatGPT‑6 vs Gemini 3.7 Pro
Gemini 3.7 Pro wins on sheer context size and speed; ChatGPT-6 answers with higher reasoning and coding scores and a $0 preview.
Gemini 3.7 Pro is Google's fast, massively-long-context multimodal model — great when you need to stuff millions of tokens in at once. ChatGPT-6 counters with higher composite intelligence and agentic-coding scores and a free preview. Choose on whether you need extreme context size or the stronger reasoning-and-coding profile.
Side by side
The same figures from our full benchmark table, narrowed to two columns.
| Metric | ChatGPT-6 | Gemini 3.7 |
|---|---|---|
| Intelligence Index | 71* | 66 |
| Agentic coding | 86* | 78 |
| Context window | 400K | 2M |
| Max output | 128K | 64K |
| Throughput (tps) | 58* | 92 |
| Price / 1M out | $0 | $10 |
| Multimodal | ||
| Open weights | ||
| Free to use |
- Free during preview vs about $10 per million output tokens
- Higher composite intelligence and coding score
- Double the max output (128K vs 64K tokens)
- No account required to start
- Far larger context window (2M vs 400K)
- Higher throughput (tokens per second)
- Deep integration with the Google ecosystem
Which should you choose?
You want the strongest reasoning and coding at zero cost, and 400K context is enough.
You genuinely need multi-million-token context or Google-native tooling.
Other match-ups
Try ChatGPT-6 free
No account, no card, no app — open the chat and compare for yourself.