ERNIE 5.1 vs GPT-5.4 Pro
Benchmark Performance
Available Benchmarks
Technical Differences
Side-by-Side Facts
| Field | ERNIE 5.1 | GPT-5.4 Pro |
|---|---|---|
| Developer | Baidu | OpenAI |
| Family | Ernie 5 | Gpt 5 4 |
| Model | ERNIE 5.1 | GPT-5.4 Pro |
| Version | ERNIE 5.1 | GPT-5.4 Pro |
| Lifecycle | active | active |
| Released | Unknown | 2026-03-05 |
| Knowledge cutoff | Unknown | 2025-08-31 |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | 131K | 1,050K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Baidu Qianfan (Standard) | Openai (Standard), Openrouter (Standard) |
| Capabilities | agents, chat, reasoning, search, tools | chat, generation, reasoning, structured_outputs, tools |
13 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
ERNIE 5.1 Capabilities
GPT-5.4 Pro Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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ERNIE 5.1Baidu | vs |  Kimi-K3Moonshot AI | cross-developer peerstext |
 MiniMax-M3MiniMax | vs | ERNIE 5.1Baidu | cross-developer peerstext |
ERNIE 5.1Baidu | vs |  GLM-5.3Z.ai | cross-developer peerstext |
ERNIE 5.1Baidu | vs |  Hy4 previewTencent | cross-developer peerstext |
ERNIE 5.1Baidu | vs | Seed 2.1 ProByteDance Seed | cross-developer peerstext |
ERNIE 5.1Baidu | vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
ERNIE 5.1 vs GPT-5.4 Pro FAQs
Is ERNIE 5.1 or GPT-5.4 Pro better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both ERNIE 5.1 and GPT-5.4 Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, ERNIE 5.1 or GPT-5.4 Pro?+
ERNIE 5.1 is $4.00 and GPT-5.4 Pro is $30.00 per million tokens, so ERNIE 5.1 is cheaper on this metric. ERNIE 5.1 is $18.00 and GPT-5.4 Pro is $180.00 per million tokens, so ERNIE 5.1 is cheaper on this metric.
Which has a larger context window, ERNIE 5.1 or GPT-5.4 Pro?+
GPT-5.4 Pro has the larger sourced context window. ERNIE 5.1 supports 131K and GPT-5.4 Pro supports 1,050K.
Which performs better in benchmarks, ERNIE 5.1 or GPT-5.4 Pro?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can ERNIE 5.1 or GPT-5.4 Pro be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. ERNIE 5.1 is not marked open weight; GPT-5.4 Pro is not marked open weight.
Can ERNIE 5.1 and GPT-5.4 Pro understand images?+
ERNIE 5.1 is not documented with image input; GPT-5.4 Pro is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, ERNIE 5.1 or GPT-5.4 Pro?+
GPT-5.4 Pro has the larger sourced maximum output: ERNIE 5.1 supports 66K and GPT-5.4 Pro supports 128K output tokens.
Do ERNIE 5.1 and GPT-5.4 Pro support reasoning and tool use?+
ERNIE 5.1: reasoning and tool calling. GPT-5.4 Pro: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, ERNIE 5.1 or GPT-5.4 Pro?+
ERNIE 5.1 has 1 sourced provider route; GPT-5.4 Pro has 2, so GPT-5.4 Pro has broader tracked availability.
Which offers better value, ERNIE 5.1 or GPT-5.4 Pro?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.