Qianfan-OCR-Fast is $1.32 cheaper per 1M input tokens (66% lower; 2.94x difference).
API cost decision in 10 seconds
GPT-5.6 Terra Pro vs Qianfan-OCR-Fast
Pick Qianfan-OCR-Fast for lower cost; pick GPT-5.6 Terra Pro only if the larger context window matters more.
Page updated:
Data confirmed:
Prices normalized to USD per 1M tokens
Sample workload: 1M input + 500K output
Budget verdict
Pick Qianfan-OCR-Fast for lower cost; pick GPT-5.6 Terra Pro only if the larger context window matters more.
On the standard 1M input plus 500K output workload, Qianfan-OCR-Fast is estimated at $2.08 vs $8 for GPT-5.6 Terra Pro, saving $5.92 (73.9% lower).
Cost-first pickQianfan-OCR-Fast
Context-first pickGPT-5.6 Terra Pro
Sample savings$5.9273.9%
10x traffic gap$59.15
GPT-5.6 Terra Pro has more context, but Qianfan-OCR-Fast saves $5.92 on the standard workload. At 10x that traffic, the same price gap is about $59.15. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Qianfan-OCR-Fast stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | GPT-5.6 Terra Pro | Qianfan-OCR-Fast |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Qianfan-OCR-Fast | $16 | $4.81 |
| Balanced workload | 1M input + 1M output | Qianfan-OCR-Fast | $14 | $3.49 |
| Output-heavy chatbot | 1M input + 5M output | Qianfan-OCR-Fast | $62 | $14.73 |
Qianfan-OCR-Fast is $9.19 cheaper per 1M output tokens (76.6% lower; 4.27x difference).
GPT-5.6 Terra Pro has 984.46K more context (16x larger).
Qianfan-OCR-Fast is $5.92 cheaper on the standard workload (73.9% lower).
Estimate your workload cost
Your Workload Cost
This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.
Quick Decision
Qianfan-OCR-Fast has the lower input price; Qianfan-OCR-Fast has the lower output price; GPT-5.6 Terra Pro offers the larger context window. For the 1M input plus 500K output sample, Qianfan-OCR-Fast is cheaper for the standard workload.
For a 1M input token plus 500K output token workload, the estimated API cost is $8 for GPT-5.6 Terra Pro and $2.08 for Qianfan-OCR-Fast.
Choose GPT-5.6 Terra Pro when you care most about larger context window.
Choose Qianfan-OCR-Fast when you care most about lower input-token price, and lower output-token price.
- On the standard 1M input plus 500K output workload, Qianfan-OCR-Fast is estimated at $2.08 vs $8 for GPT-5.6 Terra Pro, saving $5.92 (73.9% lower).
- Qianfan-OCR-Fast is $5.92 cheaper on the standard workload (73.9% lower).
- Qianfan-OCR-Fast is $1.32 cheaper per 1M input tokens (66% lower; 2.94x difference).
- Qianfan-OCR-Fast is $9.19 cheaper per 1M output tokens (76.6% lower; 4.27x difference).
- GPT-5.6 Terra Pro has 984.46K more context (16x larger).
| Feature | GPT-5.6 Terra Pro (OpenAI) | Qianfan-OCR-Fast (Baidu) |
|---|---|---|
| Input Price prompt tokens per 1M | $2 | $0.68 |
| Completion Price per 1M tokens | $12 | $2.81 |
| Sample Workload Cost 1M input + 500K output | $8 | $2.08 |
| Context Window | 1.05M | 65.54K |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Qianfan-OCR-Fast | On the standard 1M input plus 500K output workload, Qianfan-OCR-Fast is estimated at $2.08 vs $8 for GPT-5.6 Terra Pro, saving $5.92 (73.9% lower). |
| High-volume input processing | Qianfan-OCR-Fast | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Qianfan-OCR-Fast | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | GPT-5.6 Terra Pro | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- gpt-oss-120b (free) can replace GPT-5.6 Terra Pro when lower sample workload cost matters most: $0.
- gpt-oss-20b (free) can replace GPT-5.6 Terra Pro when lower sample workload cost matters most: $0.
- gpt-oss-20b can replace GPT-5.6 Terra Pro when lower sample workload cost matters most: $0.1.
- gpt-oss-120b can replace GPT-5.6 Terra Pro when lower sample workload cost matters most: $0.12.
- Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
- Grok 4.20 offers 2M context with $2.5 sample workload cost.
- DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
- DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
- DeepSeek V4 Flash 0731 · DeepSeek · #1
- MiMo-V2.5 · Xiaomi · #2
- Hy3 · Tencent · #3
- Ox Alpha · stealth · #4
Cheaper alternatives
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Open Baidu modelsGPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Qianfan-OCR-Fast is a domain-specific multimodal large model purpose-built for OCR. By leveraging specialized OCR training data while preserving versatile multimodal intelligence, it provides a powerful performance upgrade over Qianfan-OCR.