Provider - 6 models
Baidu API models
The registry lists 6 Baidu models with first-party API prices, context windows and release dates. The newest is ERNIE 5.1, released May 9, 2026. ERNIE 4.5 Turbo (128K) has the lowest output price at $0.45 per 1M tokens ($0.11 input). The largest context window is 128,000 tokens, on ERNIE 4.5 Turbo (128K), ERNIE 4.5 Turbo VL, ERNIE 5.0 and 1 other. None of them publish open weights.
Last verified . Sources
- Models
- 6
- Lowest output / 1M
- $0.45
- Largest context
- 128K
- Open weights
- 0 of 6
Every Baidu model
| Model | API model id | Input / 1M | Output / 1M | Context | Max output | Released | Open weights |
|---|---|---|---|---|---|---|---|
| ERNIE 5.1 | ernie-5.1 | $0.56 | $2.53 | 128K | 66K | No | |
| ERNIE 4.5 Turbo (128K) | ernie-4.5-turbo-128k | $0.11 | $0.45 | 128K | 12K | No | |
| ERNIE 4.5 Turbo (32K) | ernie-4.5-turbo-32k | $0.11 | $0.45 | 32K | 12K | No | |
| ERNIE 4.5 Turbo VL | ernie-4.5-turbo-vl | $0.42 | $1.27 | 128K | 16K | - | No |
| ERNIE 4.5 Turbo VL (32K) | ernie-4.5-turbo-vl-32k | $0.42 | $1.27 | 32K | 12K | - | No |
| ERNIE 5.0 | ernie-5.0 | $0.84 | $3.38 | 128K | 66K | - | No |
Prices in USD per 1M tokens at the standard rate, newest release first. A dash means no primary page states that fact. Open a model for cache, batch and long-context rates.
Capabilities
| Model | Tool calling | Structured outputs | Image input | Audio input | Prompt caching | Batch API | Reasoning |
|---|---|---|---|---|---|---|---|
| ERNIE 5.1 | Not stated | Not stated | Not stated | Not stated | Not stated | Not stated | Not stated |
| ERNIE 4.5 Turbo (128K) | Not stated | Not stated | Not stated | Not stated | Yes | Not stated | Not stated |
| ERNIE 4.5 Turbo (32K) | Not stated | Not stated | Not stated | Not stated | Yes | Not stated | Not stated |
| ERNIE 4.5 Turbo VL | Not stated | Not stated | Yes | Not stated | Yes | Not stated | Not stated |
| ERNIE 4.5 Turbo VL (32K) | Not stated | Not stated | Yes | Not stated | Yes | Not stated | Not stated |
| ERNIE 5.0 | Not stated | Not stated | Yes | Not stated | Not stated | Not stated | Yes |
From each model's API docs; open a model for the source behind every answer. Not stated means the provider's docs do not say either way. It is not the same as No. Compare every provider.
FAQ
What is the cheapest Baidu model?
By output price, ERNIE 4.5 Turbo (128K) is the cheapest Baidu model in the registry at $0.45 per 1M output tokens and $0.11 per 1M input tokens, per intl.cloud.baidu.com on October 17, 2026. ERNIE 4.5 Turbo (32K) is listed at the same price.
Which Baidu model has the largest context window?
4 Baidu models share the largest context window in the registry, 128,000 tokens: ERNIE 4.5 Turbo (128K), ERNIE 4.5 Turbo VL, ERNIE 5.0 and ERNIE 5.1.
What is the newest Baidu model?
ERNIE 5.1 is the most recent Baidu release in the registry, released on May 9, 2026. 3 of the 6 Baidu models have no primary-sourced release date, so they are not counted.
Which Baidu models have open weights?
None. All 6 Baidu models in the registry are closed-weights models you call through the API.
Sources
Prices last verified from intl.cloud.baidu.com.
Further primary sources (5)
- https://intl.cloud.baidu.com/en/doc/qianfan/s/7m95lyy43-intl-en
- https://ernie.baidu.com/blog/posts/ernie-5.1-0508-release/
- https://www.prnewswire.com/news-releases/baidu-launches-ernie-4-5-turbo-ernie-x1-turbo-and-new-suite-of-ai-tools-to-empower-developers-and-supercharge-ai-innovation-302438584.html
- https://www.prnewswire.com/news-releases/baidu-unveils-ernie-5-0-and-a-series-of-ai-applications-at-baidu-world-2025--ramps-up-global-push-302614531.html
- https://ernie.baidu.com/blog/posts/ernie5.0/
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