| GPT-5.6 Terra | Grok 4.7 | |
|---|---|---|
| Input, per 1M tokens | $2.00 | $1.60 |
| Output, per 1M tokens | $12.00 | $4.80 |
| Context window | 1.05M | 500K |
| Classification or routing (600 tokens in, 10 out), per 1,000 | $1.32 | $1.01 |
| Chat reply (2,000 in, 400 out), per 1,000 | $8.80 | $5.12 |
| Retrieval-augmented answer (8,000 in, 500 out), per 1,000 | $22.00 | $15.20 |
| Confidence signal | no | yes |
| Tool calling | yes | yes |
Which one should carry your traffic?
If Grok 4.7 answers your requests as well as GPT-5.6 Terra, moving that traffic saves 42% on chat-shaped requests. Averages cannot tell you whether it does for your requests. Grok 4.7 exposes a confidence signal, so Gimbix can let it answer first and hand unsure cases to GPT-5.6 Terra.
GPT-5.6 Terra profile · Grok 4.7 profile · Measure it on your traffic