ERNIE 5.1 vs GPT-5.4 Nano
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | ERNIE 5.1 | GPT-5.4 Nano |
|---|---|---|
| IntelligenceHigher is better · MM Intelligence v1.2 | UnrankedNot in the 22-model eligible cohort | #22 of 2214.7 score |
| CostLower is better · Published-token output estimate | UnrankedNot in the 36-model eligible cohort | #13 of 36$0.058 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.0 | UnrankedNot in the 22-model eligible cohort | #21 of 2235.3 score |
Ranks come from the current complete eligible cohorts. Green highlights appear only when both models are ranked in the same metric. Missing required inputs remain unranked, and the three dimensions are not collapsed into an overall winner.
Benchmark Performance
Available Benchmarks
| Benchmark | ERNIE 5.1 | GPT-5.4 Nano |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,468.10100% of row best · rating · ernie-5.1; 95% CI [1463.48233336, 1472.72453179]; votes 37137; rank 25 | 1,372.8794% of row best · rating · gpt-5.4-nano-high; 95% CI [1369.01004978, 1376.72255426]; votes 58562; rank 163 |
| Overall ResultCounted from the protocol-matched rows above | 1 benchmark winOverall lead | 0 benchmark wins |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | ERNIE 5.1 | GPT-5.4 Nano |
|---|---|---|
| Developer | Baidu | OpenAI |
| Family | Ernie 5 | Gpt 5 4 |
| Model | ERNIE 5.1 | GPT-5.4 Nano |
| Version | ERNIE 5.1 | GPT-5.4 Nano |
| Lifecycle | active | active |
| Released | Unknown | 2026-03-17 |
| Knowledge cutoff | Unknown | 2025-08-31 |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | 131K | 400K |
| 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 Nano Capabilities
Internal Comparison Graph
Related Comparisons
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|---|---|---|---|
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ERNIE 5.1Baidu | vs | Grok 4.6xAI | cross-developer peerstext |
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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 Nano FAQs
Is ERNIE 5.1 or GPT-5.4 Nano better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both ERNIE 5.1 and GPT-5.4 Nano, 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 Nano?+
ERNIE 5.1 is $4.00 and GPT-5.4 Nano is $0.20 per million tokens, so GPT-5.4 Nano is cheaper on this metric. ERNIE 5.1 is $18.00 and GPT-5.4 Nano is $1.25 per million tokens, so GPT-5.4 Nano is cheaper on this metric.
Which has a larger context window, ERNIE 5.1 or GPT-5.4 Nano?+
GPT-5.4 Nano has the larger sourced context window. ERNIE 5.1 supports 131K and GPT-5.4 Nano supports 400K.
Which performs better in benchmarks, ERNIE 5.1 or GPT-5.4 Nano?+
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 Nano be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. ERNIE 5.1 is not marked open weight; GPT-5.4 Nano is not marked open weight.
Can ERNIE 5.1 and GPT-5.4 Nano understand images?+
ERNIE 5.1 is not documented with image input; GPT-5.4 Nano 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 Nano?+
GPT-5.4 Nano has the larger sourced maximum output: ERNIE 5.1 supports 66K and GPT-5.4 Nano supports 128K output tokens.
Do ERNIE 5.1 and GPT-5.4 Nano support reasoning and tool use?+
ERNIE 5.1: reasoning and tool calling. GPT-5.4 Nano: 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 Nano?+
ERNIE 5.1 has 1 sourced provider route; GPT-5.4 Nano has 2, so GPT-5.4 Nano has broader tracked availability.
Which offers better value, ERNIE 5.1 or GPT-5.4 Nano?+
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.