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Baidu: ERNIE-5.5-Flash-Preview (free) pricing

ERNIE 5.5 Flash Preview is the latest foundation model in the ERNIE family, with comprehensive improvements in coding, agentic capabilities, knowledge work, and deep research. Baidu: ERNIE-5.5-Flash-Preview (free) from OpenRouter costs free per 1M input tokens and free per 1M output tokens. Context window 1,024,000 tokens.

API id baidu/ernie-5.5-flash-preview:free · OpenRouter · source · updated 2026-11-12 · general-purpose

Free
Input / 1M tokens
Free
Output / 1M tokens
—
Cached input / 1M
1M
Context window

Baidu: ERNIE-5.5-Flash-Preview (free) specifications

Provider
OpenRouter
API id
baidu/ernie-5.5-flash-preview:free
Model type
general-purpose
Context window
1M tokens
Max output
922K tokens
Currency
USD
Price source
Provider API
Last checked
2026-11-12

Tags

  • fast
  • preview

What Baidu: ERNIE-5.5-Flash-Preview (free) costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500Free
Document summary50,0002,000Free
1M tokens in, 200K out1,000,000200,000Free

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Baidu: ERNIE-5.5-Flash-Preview (free) cost per 1M tokens?
Baidu: ERNIE-5.5-Flash-Preview (free) costs free per 1M input tokens and free per 1M output tokens on the standard tier.
What is Baidu: ERNIE-5.5-Flash-Preview (free)'s context window?
Baidu: ERNIE-5.5-Flash-Preview (free) accepts up to 1,024,000 tokens in a single request, and can return up to 921,600 output tokens.
Where does this Baidu: ERNIE-5.5-Flash-Preview (free) price come from?
From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

Other OpenRouter models

See all OpenRouter pricing →