DeepSeek V4 Pro 0423 vs GPT-6.1 Terra
Price, context window & benchmark comparison
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Verdict: DeepSeek V4 Pro 0423 is 40% cheaper than GPT-6.1 Terra on a typical 3:1 input/output mix. GPT-6.1 Terra scores higher on the Artificial Analysis Intelligence Index (51.3 vs 12.6). GPT-6.1 Terra has the larger context window (1.1M vs 1M).
| DeepSeek V4 Pro 0423 | GPT-6.1 Terra | |
|---|---|---|
| Input price / 1M | $0.96 | $1.00 |
| Output price / 1M | $1.91 | $5.00 |
| Blended price (3:1) | $1.19 | $2.00 |
| Cached input / 1M | $0.0796 | $0.05 |
| Context window | 1M | 1.1M |
| Max output | 384K | 128K |
| Intelligence index | 12.6 | 51.3 |
| Coding index | — | — |
| Providers | 16 | 7 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-04-24 | 2026-10-26 |
| Retirement | — | — |
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FAQ
Which is cheaper, DeepSeek V4 Pro 0423 or GPT-6.1 Terra?
DeepSeek V4 Pro 0423 is 40% cheaper than GPT-6.1 Terra on a typical 3:1 input/output mix.
DeepSeek V4 Pro 0423 vs GPT-6.1 Terra: which has a bigger context window?
DeepSeek V4 Pro 0423: 1,048,576 tokens. GPT-6.1 Terra: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: DeepSeek V4 Pro 0423 ≈ $2,866, GPT-6.1 Terra ≈ $4,500.
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