Baidu Ernie 4.5 21B A3B Thinking
by BaiduChat
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
- Context
- 131K tokens
- Max output
- 65,536 tokens
- Released
- 2025-03-16
- Weights
- Closed
baidu/ernie-4-5-21b-a3b-thinking
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-03-16
- Weights
- Closed
- Input
- Text
- Output
- Text
- Context window
- 131,072 max across endpoints
- Max output
- 65,536
- Providers
- 1 + 1 gateway, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $0.07 in · $0.28 out per 1M tokens · from its one provider
More details
- Last updated
- 2025-03-16
- Knowledge cutoff
- 2025-03
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured outputunknown
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messages
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
No change since 19 Oct 2026. The cheapest direct price has been $0.07 in / $0.28 out per 1M tokens at Novita AI on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
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