token.app › Compare › DeepSeek V3 vs GPT-5.6 Terra
DeepSeek V3 vs GPT-5.6 Terra
DeepSeek V3 is 5.0× cheaper per token on a blended 3:1 basis. GPT-5.6 Terra accepts the larger context window (1.1M).
Head to head
Blended price uses a 3:1 input:output mix
| DeepSeek V3 | GPT-5.6 Terra | |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Input $/1M | $0.257 | $1.00 |
| Output $/1M | $1.03 | $6.00 |
| Blended $/1M | $0.450 | $2.25 |
| Context window | 164K | 1.1M |
| Max output | 16K | 128K |
| Released | Dec 2024 | Jul 2026 |
| Licence | Open weights | Proprietary |
Choose DeepSeek V3 if…
- Costs less per token — $0.450 vs $2.25 blended
- Open weights — self-hostable
Choose GPT-5.6 Terra if…
- Larger context window (1.1M)
- Newer model (released Jul 2026)
FAQ
Which is better, DeepSeek V3 or GPT-5.6 Terra?
We do not hold independently-run benchmark scores covering both DeepSeek V3 and GPT-5.6 Terra, so we make no quality claim. Their pricing and specifications are compared on this page.
Is DeepSeek V3 cheaper than GPT-5.6 Terra?
DeepSeek V3 is cheaper: $0.450 versus $2.25 per million tokens blended at 3:1 input:output. Input alone: $0.257 vs $1.00. Output alone: $1.03 vs $6.00.
What context windows do DeepSeek V3 and GPT-5.6 Terra have?
DeepSeek V3: 163,840 tokens. GPT-5.6 Terra: 1,050,000 tokens.
Who makes DeepSeek V3 and GPT-5.6 Terra?
DeepSeek V3 is made by DeepSeek. GPT-5.6 Terra is made by OpenAI.