ERNIE 5.5 Flash Preview: Benchmarks, Pricing & Context Window
ERNIE 5.5 Flash Preview is a language model from Baidu, released in November 2026, with a 1.0M-token context window, and pricing from $0.280/M input, $0.028/M cached input, $1.13/M output.
ERNIE 5.5 Flash Preview is Baidu's first post-trained model built on ERNIE 5.5 Flash Base. It is a mixture-of-experts model with 280 billion total parameters and 14 billion active parameters, a 1,048,576-token context window, and text-only
ERNIE 5.5 Flash Preview benchmarks
Capability tiers
Standing within each category, adjusted for leaderboard depth.
Real tasks performance
High-confidence performance for ERNIE 5.5 Flash Preview across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.
Performance by conversation depth
How ERNIE 5.5 Flash Preview holds up as conversations get longer.
Quality Tracker
ERNIE 5.5 Flash Preview Performance Across Datasets
Scores sourced from the model's scorecard, paper, or official blog posts
llm-stats.com - Thu Nov 12 2026ERNIE 5.5 Flash Preview pricing
Providers
ERNIE 5.5 Flash Preview starts at $0.280 per million input tokens and $1.13 per million output tokens via Baidu Qianfan. Reused prompt prefixes cost $0.0280 per million cached input tokens.
| Provider | Input $/M | Cached input $/M | Output $/M | Context in / out | TTFT p95 s | Output p5 c/s | Modalities in / out |
|---|---|---|---|---|---|---|---|
 Baidu Qianfan | $0.280 | $0.0280 | $1.13 | 1.0M/1.0M | — | — | / |
Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.
ERNIE 5.5 Flash Preview context window
Input and output token limits for ERNIE 5.5 Flash Preview, plus how it ranks on long-context understanding.
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ERNIE 5.5 Flash Preview latency
ERNIE 5.5 Flash Preview time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.
ERNIE 5.5 Flash Preview examples
Recent arena outputs from ERNIE 5.5 Flash Preview, picked from the highest-ranked matchups.
ERNIE 5.5 Flash Preview license
ERNIE 5.5 Flash Preview is a proprietary model available under its provider's product and API terms, has 280.0B parameters.
- License
- Proprietary
- Hosted access
- Parameters
- 280.0B
Proprietary license - usage restrictions apply
ERNIE 5.5 Flash Preview resources
Official sources for ERNIE 5.5 Flash Preview: provider documentation, official launch post.
ERNIE 5.5 Flash Preview vs other models
The most-compared alternatives to ERNIE 5.5 Flash Preview are Claude Mythos Preview, Kimi K2.6, Muse Spark 1.1. Open any pair side-by-side for benchmarks, pricing, context, and latency.
Models like ERNIE 5.5 Flash Preview
Models ranked just above and below ERNIE 5.5 Flash Preview by LLM Stats score.
FAQ
Common questions about ERNIE 5.5 Flash Preview.