Baidu’s New AI Is Already Beating High Fashions and Value 94% Much less to Construct

Baidu, China’s equal of Google, officially released ERNIE 5.1 late final week, and the headline quantity is tough to disregard: The mannequin price roughly 94% much less to coach than comparable AI programs on the similar scale.

To place that in perspective, coaching a frontier AI mannequin sometimes prices a number of millions (if not billions) of {dollars} in compute. Baidu, which controls over 76% of China’s search market and trades on Nasdaq as BIDU, is claiming it pulled off the identical class of efficiency for a few twentieth of that.

The trick is known as “multi-dimensional elastic pre-training.” As an alternative of constructing ERNIE 5.1 from scratch, Baidu extracted an optimized sub-network from its present ERNIE 5.0 structure—which it launched in January 2026—and compressed it down. Complete parameters dropped to about one-third of the unique. Energetic parameters (those truly doing work throughout a dialog) had been minimize in half. The result’s a leaner mannequin that inherited the data base of its bigger mum or dad with out repeating the complete coaching invoice.

On LMArena Search Area—a leaderboard the place actual customers evaluate AI fashions on reside net search duties, scored by human desire—ERNIE 5.1 scored 1,223touchdown fourth globally and first amongst all Chinese language fashions. Its agentic capabilities—how effectively it handles multi-step duties like filling spreadsheets or autonomously searching the online—surpassed DeepSeek-V4-Professional, the earlier Chinese language benchmark-setter.

ERNIE could sound like an unique title amongst western observers, but it surely’s truly a significant mannequin in China. Baidu launched Ernie Bot in August 2023, and the chatbot reached 100 million users in China by December of that 12 months—sooner than most Chinese language rivals, although nonetheless slower than ChatGPT’s world document two-month run to the identical milestone.

The effectivity angle echoes what DeepSeek did to the AI trade in January 2025. When the Chinese language startup launched R1—a mannequin that matched OpenAI’s o1 at 98% lower query cost—it triggered a $600 billion wipeout in Nvidia’s market worth and compelled each main AI lab to rethink whether or not throwing compute at issues was the one viable technique. ERNIE 5.1 is a special form of effectivity story—on the coaching facet somewhat than inference—however the underlying message is similar: Chinese language labs preserve discovering methods to do extra with much less.

The post-training pipeline can be value noting. Baidu constructed a four-stage reinforcement studying system it calls MOPD (Multi-Instructor On-Coverage Distillation). Somewhat than attempting to show each ability directly—which tends to trigger “seesaw results” the place, for instance, enhancing math efficiency tanks inventive writing—Baidu educated specialist skilled fashions in parallel for code, reasoning, and agentic duties, then distilled all of them right into a single unified mannequin. A remaining on-line reinforcement studying stage dealt with open-ended conversations and inventive output, preserving what the distillation course of could not seize effectively.

In concept it ought to imply all expertise are leveled when it comes to proficiency, with out one being prioritized over the opposite

On GPQA (Graduate-Degree Google-Proof Q&A, a benchmark measuring whether or not a mannequin can reply expert-level science questions that may’t be Googled), ERNIE 5.1 approaches the efficiency of main western closed-source fashions. On AIME26—the American Invitational Arithmetic Examination tailored for 2026, which exams superior problem-solving beneath competitors circumstances—the mannequin scored 99.6% when utilizing tool-assisted reasoning, trailing solely Gemini 3.1 Professional.

Baidu says ERNIE 5.1 is already rolling out throughout greater than 10 inventive and agentic platforms in China, together with AI roleplay platforms and brief drama era instruments. The mannequin is accessible at ernie.baidu.com and by way of API on Baidu’s AI Cloud platform.

Baidu is internet hosting its annual Create 2026 developer convention on Could 13–14 in Beijing, the place it plans to showcase ERNIE’s newest industrial functions. That occasion would be the subsequent information level on how aggressively the corporate intends to push the mannequin into enterprise and world markets.