Baichuan-M2-Plus API Pricing
Baichuan-M2-Plus is the earlier medical reasoning row that still carries the same live price as Baichuan-M3. The official pricing page lists $1.41/M input and $4.23/M output, converted from 0.01/0.03 yuan per 1K tokens at 7.10 CNY/USD. Baichuan also notes an additional 0.03 yuan per-call medical-search charge for this model. Pulled directly from platform.baichuan-ai.com daily.
Run the numbers.
Live calculator pre-loaded with current Baichuan-M2-Plus token rates. Use it for token math, then add Baichuan's per-call medical-search fee separately if your workflow triggers it.
Real-world presets.
Symptom intake
Discharge note draft
Literature summary
Care-plan draft
Price history.
Paste text. See tokens. See cost.
This is a chars-per-token approximation, not a real tokenizer. Actual tokens vary by language, code density, and tool-call overhead — counts are typically ±10–20% off for English prose, more for code or non-Latin scripts. For exact billing, use the vendor's official tokenizer.
| Model | Input /M | Output /M | Effective blended | Context | Best for |
|---|---|---|---|---|---|
| Baichuan-M2-Plus Current | $1.41 cache $1.41 | $4.22 | $1.63 agentic 92/8 | 32K | Legacy medical copilots |
| Baichuan-M3 | $1.41 cache $1.41 | $4.22 | $1.63 same list price | 32K | Higher-depth medical reasoning |
| Baichuan-M2 | $0.28 cache $0.28 | $2.82 | $0.48 cheaper | 32K | Budget Chinese text workloads |
| Baichuan3-Turbo | $1.69 cache $1.69 | $1.69 | $1.69 slightly pricier | 32K | Balanced legacy production traffic |
| Baichuan4 Air | $0.14 cache $0.14 | $0.14 | $0.14 cheaper | 32K | Lowest-cost Baichuan API traffic |
| GLM-5 | $1.00 cache $0.20 | $3.20 | $0.57 cheaper | 200K | Chinese coding and agent tasks |
| Gemini 2.5 Flash | $0.30 cache $0.03 | $2.50 | $0.27 cheaper | 1M | Global multimodal budget workloads |
Frequently asked.
Practical pricing questions for Baichuan-M2-Plus, especially around the pricing parity with M3 and the extra medical-search charge.
Q · 01 What is Baichuan-M2-Plus priced at? +
$1.41/M input and $4.23/M output. Those USD figures come from 0.01/0.03 yuan per 1K tokens converted at 7.10 CNY/USD.Q · 02 Why does Baichuan-M2-Plus cost the same as Baichuan-M3? +
$1.41/M input and $4.23/M output. That means M2-Plus no longer offers a cheaper on-ramp relative to M3, so the decision is about model behavior and integration history rather than list price.Q · 03 What is the medical-search surcharge? +
0.03 yuan per call. At 7.10 CNY/USD, that is roughly $0.0042 per triggered call and sits outside the token quote board.Q · 04 Does Baichuan-M2-Plus have prompt-cache pricing? +
Q · 05 How does it compare with Baichuan-M2? +
$0.282/M input and $2.817/M output. On the standard 92/8 blend, Baichuan-M2-Plus lands around $1.63/M versus about $0.48/M for Baichuan-M2.Q · 06 How accurate is the tokenizer estimate? +
baichuan-tokenizer-estimate chars-per-token approximation for English planning. Real billing comes from Baichuan's API usage counters and can differ for Chinese, code, or mixed-language prompts.