GPT-5.6 Terra vs Grok 4.6
Grok 4.6 leads in 3 of 8 categories
Arena ELO
Tie
Cheaper
Grok 4.6
Faster
Tie
Detailed Comparison
| Category | GPT-5.6 Terra | Grok 4.6 |
|---|---|---|
| Provider | OpenAI | xAI |
| Context Window | 128K | 500K WIN |
| Input Price ($/1M) | $10 | $2 WIN |
| Output Price ($/1M) | $30 | $6 WIN |
| Arena ELO | N/A | N/A |
| Coding | N/A | N/A |
| Reasoning | N/A | N/A |
| Speed (tokens/sec) | N/A | N/A |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, GPT-5.6 Terra or Grok 4.6?
Grok 4.6 is approximately 80% cheaper than GPT-5.6 Terra per million tokens.
Which has a larger context window?
GPT-5.6 Terra supports 128K context, while Grok 4.6 supports 500K.
Is GPT-5.6 Terra or Grok 4.6 open source?
GPT-5.6 Terra is proprietary. Grok 4.6 is proprietary.
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