GPT-3.5 Turbo 16k vs GPT-6.1 Terra
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GPT-6.1 Terra is 38% cheaper than GPT-3.5 Turbo 16k on a typical 3:1 input/output mix. GPT-6.1 Terra has the larger context window (1.1M vs 16K).
| GPT-3.5 Turbo 16k | GPT-6.1 Terra | |
|---|---|---|
| Input price / 1M | $3.00 | $1.00 |
| Output price / 1M | $4.00 | $5.00 |
| Blended price (3:1) | $3.25 | $2.00 |
| Cached input / 1M | — | $0.05 |
| Context window | 16K | 1.1M |
| Max output | 4K | 128K |
| Intelligence index | — | 51.3 |
| Coding index | — | — |
| Providers | — | 7 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | No | Yes |
| Tool calling | Yes | Yes |
| Released | 2023-08-28 | 2026-10-26 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-3.5 Turbo 16k or GPT-6.1 Terra?
GPT-6.1 Terra is 38% cheaper than GPT-3.5 Turbo 16k on a typical 3:1 input/output mix.
GPT-3.5 Turbo 16k vs GPT-6.1 Terra: which has a bigger context window?
GPT-3.5 Turbo 16k: 16,385 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: GPT-3.5 Turbo 16k ≈ $8,000, GPT-6.1 Terra ≈ $4,500.
More comparisons
GPT-3.5 Turbo 16k vs Gemini 4 CarbonGPT-3.5 Turbo 16k vs Claude Fable 5.2GPT-3.5 Turbo 16k vs Gemini Omni 1.2 FlashGPT-3.5 Turbo 16k vs Gemini Omni 1.1 FlashGPT-3.5 Turbo 16k vs Hy4GPT-3.5 Turbo 16k vs GLM 5.3 FlashX LegalGPT-3.5 Turbo 16k vs GPT-6.1 Terra ProGPT-3.5 Turbo 16k vs Kimi K3.1 ProGPT-3.5 Turbo 16k vs MiniMax M3.1 FlashGPT-3.5 Turbo 16k vs DeepSeek V4.1 Flash 1017GPT-3.5 Turbo 16k vs Nemotron 3.5 Super VLGPT-3.5 Turbo 16k vs Gemini 4 ArgonGPT-3.5 Turbo 16k vs Claude Haiku 5.5GPT-3.5 Turbo 16k vs Nano Banana 2.1GPT-3.5 Turbo 16k vs Mistral Large 4GPT-3.5 Turbo 16k vs GPT-6.1 Sol ProGPT-6.1 Terra vs Gemini 4 CarbonGPT-6.1 Terra vs Claude Fable 5.2GPT-6.1 Terra vs Gemini Omni 1.2 FlashGPT-6.1 Terra vs Gemini Omni 1.1 FlashGPT-6.1 Terra vs Hy4GPT-6.1 Terra vs GLM 5.3 FlashX LegalGPT-6.1 Terra vs GPT-6.1 Terra ProGPT-6.1 Terra vs Kimi K3.1 Pro