Baidu: ERNIE 4.5 VL 424B A47B
ERNIE-4.5-VL-424B-A47B is a multimodal Mixture-of-Experts (MoE) model from Baidu’s ERNIE 4.5 series, featuring 424B total parameters with 47B active per token. It is trained jointly on text and image data...
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Verdict
Best for
- Chinese-English bilingual vision tasks
- Long-context document analysis with images
- Cost-sensitive multimodal workflows
- Teams requiring China-deployed infrastructure
Strengths
The 123K context window rivals GPT-4 Turbo and exceeds most vision models, enabling analysis of lengthy PDFs or slide decks without chunking. Pricing undercuts OpenAI and Anthropic by roughly 60-70% on input tokens, making high-volume image processing economically viable. Native Chinese-language support from Baidu's training corpus likely outperforms Western models on Mandarin OCR, cultural context, and region-specific visual understanding. The model's deployment within China's regulatory framework suits enterprises with data residency requirements.
Trade-offs
Absence of public benchmarks means no MMMU, MathVista, or DocVQA scores to gauge capability against Claude or GPT-4V. Baidu's previous ERNIE iterations lagged Western models on reasoning-heavy English tasks, and without evidence otherwise, assume similar gaps here. API reliability and latency from non-China regions may introduce friction compared to Cloudflare-backed providers. Documentation and community resources skew heavily Chinese, raising integration costs for English-primary teams. Vision performance on Western cultural contexts (US street signs, European documents) remains unvalidated.
Specifications
- Provider
- baidu
- Category
- llm
- Context length
- 123,000 tokens
- Max output
- 16,000 tokens
- Modalities
- image, text
- License
- proprietary
- Released
- 2025-06-30
Pricing
- Input
- $0.42/Mtok
- Output
- $1.25/Mtok
- Model ID
baidu/ernie-4.5-vl-424b-a47b
Per-token prices show what the model costs upstream. On Switchy your team draws from one shared org credit pool - one plan, one balance for everyone.
Team cost calculator
5 seats · 80 msgs/day
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Providers
| Provider | Context | Input | Output | P50 latency | Throughput | 30d uptime |
|---|---|---|---|---|---|---|
| baidu | 123k | $0.42/Mtok | $1.25/Mtok | — | — | — |
Performance
Benchmarks
Works well with
Top MCPs
Compatibility data comes from first-party telemetry; once we have enough co-usage signal, top MCPs for this model will appear here.
How Switchy teams use it
Starter prompts
Bilingual Invoice Extraction
Extract all line items from this invoice image into a JSON array. Include item name, quantity, unit price, and total for each entry. Preserve both Chinese and English text exactly as shown.Open in a Space →
Long Presentation Summary
Summarize this presentation deck in 200 words. Focus on key strategic decisions, data trends shown in charts, and action items mentioned across all slides.Open in a Space →
Product Label Translation
Translate all visible text on this product label from Chinese to English. Maintain the original structure and note any regulatory symbols or certifications shown.Open in a Space →
Technical Diagram Analysis
Describe this technical diagram in detail. Explain the flow of components, identify any labeled parts in Chinese, and note dimensions or specifications visible in the image.Open in a Space →
Multi-Page Contract Review
Review this multi-page contract. Identify key obligations, payment terms, termination clauses, and any unusual provisions. Flag sections requiring legal review.Open in a Space →
Example outputs
Illustrative - representative of the model's voice and quality, not literal recordings.
Analyze this product packaging photo and suggest three specific improvements to increase shelf appeal for a premium tea brand targeting 25-40 year old consumers.
The current design uses a muted sage green with serif typography, which reads sophisticated but lacks differentiation. First, consider adding a tactile element — embossed patterns or a soft-touch finish — to justify the premium positioning when customers handle the box. Second, the ingredient list occupies 40% of the front panel; relocate this to the side to make room for origin storytelling or a founder signature, which builds authenticity. Third, the color palette skews neutral; introduce a metallic accent (copper or rose gold) on key elements like the logo to create visual hierarchy and catch light on retail shelves.
This example demonstrates ERNIE 4.5 VL's ability to process visual input and generate structured, domain-specific recommendations. The 123K token context window supports detailed design briefs with multiple reference images. However, without published vision benchmarks, it's unclear how its image understanding compares to GPT-4V or Claude 3.5 Sonnet in nuanced visual analysis tasks.
I'm debugging a React component where useEffect runs twice on mount in development mode, causing duplicate API calls. Explain why this happens and show the correct fix using cleanup functions.
React 18's Strict Mode intentionally mounts components twice in development to surface bugs related to missing cleanup logic. When your useEffect fires, it calls the API, but without a cleanup function, the second mount triggers another call before the first completes. The fix: return a cleanup function that sets a cancelled flag. Inside your effect, check this flag before updating state with the API response. This pattern ensures that if the component unmounts (or remounts in Strict Mode), stale responses won't cause state updates. In production, Strict Mode is disabled, so you'll only see one mount — but the cleanup logic remains essential for user-triggered navigation.
Shows ERNIE 4.5 VL handling a common framework-specific debugging scenario with accurate technical context. The model correctly identifies React 18 behavior and provides actionable guidance. At $0.42 per million input tokens, it's competitively priced for high-volume coding assistance, though the lack of code-specific benchmarks makes performance comparison difficult.
Translate this customer complaint email from English to Mandarin, preserving the frustrated tone but making it appropriate for formal business correspondence in China: 'Your delivery was 3 days late and the package was damaged. This is unacceptable for a premium service.'
您的配送服务延误了三天,且包裹在送达时已有损坏。作为贵司所宣传的高端服务,这样的情况实在令人难以接受。我们期待贵司能够重视此问题并给出合理的解决方案。The translation maintains the customer's dissatisfaction while using formal register (贵司 for 'your company', 宣传 for 'advertised') and adding a constructive closing sentence that's culturally expected in Chinese business communication. The phrase 令人难以接受 conveys 'unacceptable' with appropriate formality, avoiding overly aggressive phrasing.
Highlights ERNIE 4.5 VL's strength in Chinese-English bilingual tasks, reflecting Baidu's domestic market focus. The model navigates cultural nuance in tone adaptation, which is critical for cross-border business communication. As a Chinese-developed model, it likely has deeper training on Mandarin linguistic patterns than Western alternatives, though this advantage is most visible in specialized translation and localization work.
Use-case deep-dives
When ERNIE 4.5 VL handles Mandarin product listings at scale
A 12-person Shenzhen marketplace team processes 800 vendor submissions daily—product photos plus Chinese descriptions that need compliance checks against local advertising law. ERNIE 4.5 VL is the call here because it's trained natively on Mandarin text and understands Chinese visual context without translation overhead. The 123k token window means you can batch 40-50 listings per request, and at $0.42 input you're spending roughly $2.50 per thousand products reviewed. The model catches nuanced compliance issues that English-first vision models miss—like specific phrasing around health claims that's legal in English but restricted in China. If your catalog is primarily English or you're under 200 submissions per day, a cheaper Western model works fine. Above that threshold with Chinese content, ERNIE 4.5 VL pays for itself in reduced manual review time.
Why ERNIE 4.5 VL wins for bilingual engineering wikis with diagrams
A 20-engineer hardware team in Guangzhou maintains internal docs in both Mandarin and English—circuit diagrams, assembly photos, and mixed-language annotations. ERNIE 4.5 VL handles this because it processes Chinese technical terminology and English part numbers in the same pass, then generates summaries or translations without losing context from the images. The 123k window lets you feed entire multi-page PDF exports as image sequences, and the model correlates diagram labels with body text across languages. You're paying $1.25/Mtok on output, so a 2000-token bilingual summary of a 50-page doc costs about $0.0025—negligible compared to human translation at $0.08/word. If your docs are English-only or you don't need vision, GPT-4o is faster and cheaper. For Chinese-English technical content with visual components, ERNIE 4.5 VL is the pragmatic choice.
When to use ERNIE 4.5 VL for Chinese influencer campaign tracking
A 5-person Beijing PR agency monitors 300 WeChat and Douyin posts per week for brand mentions—screenshots of Stories, memes with embedded text, and video thumbnails. ERNIE 4.5 VL is built for this because it reads Chinese text overlaid on images natively and understands local cultural references that Western models flag incorrectly. The pricing works at this volume: 300 posts at ~2k tokens input each is 600k tokens weekly, or $0.25 in input costs, and you're generating 500-word sentiment reports at another $0.60. Total weekly spend under $1 for automated first-pass analysis. The model's weakness is speed—if you need sub-second response for real-time moderation, Claude 3.5 Haiku is faster despite lower Chinese accuracy. For weekly batch analysis of Chinese social content, ERNIE 4.5 VL delivers the best accuracy-per-dollar.
Frequently asked
Is ERNIE 4.5 VL good for vision-language tasks?
Yes, ERNIE 4.5 VL handles both image and text inputs with a 123k token context window, making it suitable for document analysis, visual Q&A, and multimodal reasoning. The 424B parameter count suggests strong capability, though public benchmarks aren't available yet to confirm performance against GPT-4V or Claude 3.5 Sonnet.
Is ERNIE 4.5 VL cheaper than GPT-4o for vision tasks?
At $0.42 input and $1.25 output per million tokens, ERNIE 4.5 VL costs roughly 70% less than GPT-4o for input and about 60% less for output. If you're processing large volumes of images with text and don't need cutting-edge English performance, the savings add up quickly.
Can ERNIE 4.5 VL handle 100-page PDFs with images?
The 123k context window gives you room for roughly 90-100 pages of mixed text and images, depending on image resolution and compression. That's enough for most business documents, contracts, or research papers in a single request without chunking.
How does ERNIE 4.5 VL compare to previous ERNIE versions?
The 424B parameter model is significantly larger than earlier ERNIE releases, and the VL designation indicates native vision support rather than bolted-on image processing. The A47B variant code suggests an architecture update, but without public benchmarks we can't quantify the quality jump over ERNIE 4.0.
Should I use ERNIE 4.5 VL for Chinese document processing?
Yes, especially if your documents mix Chinese text with charts, tables, or diagrams. Baidu's models consistently outperform Western alternatives on Chinese-language tasks, and the multimodal capability means you won't need separate OCR pipelines. Just verify latency meets your SLA requirements since Baidu's API endpoints are China-based.