GPT-6.1 Terra Pro vs Grok 4.20 Multi-Agent
Price, context window & benchmark comparison
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Compare different models
Verdict: Grok 4.20 Multi-Agent is 22% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix. Grok 4.20 Multi-Agent has the larger context window (2M vs 1.1M).
| GPT-6.1 Terra Pro | Grok 4.20 Multi-Agent | |
|---|---|---|
| Input price / 1M | $1.00 | $1.25 |
| Output price / 1M | $5.00 | $2.50 |
| Blended price (3:1) | $2.00 | $1.56 |
| Cached input / 1M | $0.05 | $0.20 |
| Context window | 1.1M | 2M |
| Max output | 128K | 1.8M |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 6 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2026-10-26 | 2026-03-31 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6.1 Terra Pro or Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent is 22% cheaper than GPT-6.1 Terra Pro on a typical 3:1 input/output mix.
GPT-6.1 Terra Pro vs Grok 4.20 Multi-Agent: which has a bigger context window?
GPT-6.1 Terra Pro: 1,050,000 tokens. Grok 4.20 Multi-Agent: 2,000,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6.1 Terra Pro ≈ $4,500, Grok 4.20 Multi-Agent ≈ $3,750.
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