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ERNIE X1

baidu/ernie-x1
Reasoning

Deliberate reasoning at accessible prices, Baidu's answer to the open reasoning wave.

Model overview

Context window

128K

tokens

Input price

—

quoted on request

Output price

—

quoted on request

Weekly volume

—

tokens / week

Open weights

No

API only

Capabilities

3

of 11 tags

Description

ERNIE X1 is a reasoning model from Baidu ERNIE. Webparam does not stock this model yet and can source it on request — tell us what you need it for and we will come back with availability and a price. Baidu ERNIE’s stated focus is china's longest-running LLM lineage. The weights are not published, so it is API-only.

Capabilities

Reasoning
Spends extra billed tokens thinking before it answers, trading latency and cost for accuracy.
Tool calling
Calls functions you define and returns their arguments as structured data, the basis of agents.
Streaming
Emits tokens as they are generated, so answers appear progressively rather than all at once.

Strengths & weaknesses

Strengths

  • Low-cost reasoning
  • Good tool use during thinking
  • Stable long answers

Weaknesses

  • Peak scores trail R1 and K2 Thinking
  • Closed weights

Pricing

Pricing for ERNIE X1, per 1M tokens
RatePriceUnit
Input— quoted on request—
Output— quoted on request—

This model is not provisioned yet; the rate is quoted on request.

Context window

128Ktokens

covers prompt and response together, so a long input leaves less room for the answer.

128K tokens against a peer range of 128K to 1.048576M, median 200K. Compared across 10 reasoning models.

Supported features

Feature support for ERNIE X1
FeatureSupport
Tool callingSupported
JSON modeNot supported
StreamingSupported
Vision inputNot supported
Audio inputNot supported
Long contextNot supported
Open weightsNot supported
ReasoningSupported
Fine-tunableNot supported
BatchNot supported
CachingNot supported

Example use cases

  • Budget analysis pipelines

  • Education products

  • Verification

ERNIE X1 compared with DeepSeek R1 and MiniMax M2
AttributeERNIE X1DeepSeek R1MiniMax M2
Context window128K164K200K
Input priceR0.00R0.00R0.00
Output price— not charged— not charged— not charged
Tool callingSupportedSupportedSupported
JSON modeNot supportedNot supportedSupported
Vision inputNot supportedNot supportedNot supported
Open weightsNot supportedSupportedSupported
Prompt cachingNot supportedNot supportedNot supported

Best value in each row is highlighted. Blank cells are facts the supplier does not publish, not zeroes.

Provider information

View Baidu ERNIE →
Baidu ERNIE2 models

Baidu ERNIE · 文心一言 · Beijing, China · est. 2019 (ERNIE line; parent Baidu founded 2000)

ERNIE predates the modern LLM wave. Baidu has iterated the line since 2019, giving it the longest continuous model lineage in China.

Recent releases

    Documentation

    Frequently asked questions

    Input is billed at R0.00 per 1M tokens, and there is no separate output charge. Every figure on this page is an illustrative placeholder.