ERNIE 4.5 0.3B PT vs ERNIE 5.1
At a Glance
| Compare | ERNIE 4.5 0.3B PTBaidu | ERNIE 5.1Baidu |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v4.4 | UnrankedNot in the 57-model eligible cohort | #12 of 5773.5 score · 1/3 sources · single-source provisional · missing LiveBench, ARC-AGI-2 · full-core range 24.5–91.2 |
| Pricing and Limits | ||
| Context windowMaximum documented tokens | 131K | 131K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | ERNIE-4.5-0.3B-PT | ERNIE 5.1 |
|---|---|---|
| Developer | Baidu | Baidu |
| Family | Ernie 4 5 0 3b Pt | Ernie 5 |
| Model | ERNIE-4.5-0.3B-PT | ERNIE 5.1 |
| Version | ERNIE-4.5-0.3B-PT | ERNIE 5.1 |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 131K | 131K |
| Total parameters | 360.7M | Unknown |
| Active parameters | Unknown | Unknown |
| License | apache-2.0 | Unknown |
| Open weights | Yes | No |
| API available | Unknown | Yes |
| Self-hostable | Yes | No |
| Provider access | Unknown | Baidu Qianfan (Standard) |
| Capabilities | chat, generation | agents, chat, reasoning, search, tools |
ERNIE 4.5 0.3B PT Capabilities
ERNIE 5.1 Capabilities
Primary Evidence
Sources and Freshness
Questions
ERNIE 4.5 0.3B PT vs ERNIE 5.1 FAQs
Is ERNIE 4.5 0.3B PT or ERNIE 5.1 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both ERNIE 4.5 0.3B PT and ERNIE 5.1, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, ERNIE 4.5 0.3B PT or ERNIE 5.1?+
Only ERNIE 5.1 has a directly sourced input price: $4.00 per million tokens. Only ERNIE 5.1 has a directly sourced output price: $18.00 per million tokens.
Which has a larger context window, ERNIE 4.5 0.3B PT or ERNIE 5.1?+
Both models have the same sourced context window: 131,072 tokens each.
Which performs better in benchmarks, ERNIE 4.5 0.3B PT or ERNIE 5.1?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can ERNIE 4.5 0.3B PT or ERNIE 5.1 be self-hosted?+
ERNIE 4.5 0.3B PT is documented as self-hostable; ERNIE 5.1 is documented as not self-hostable. ERNIE 4.5 0.3B PT is open weight; ERNIE 5.1 is not marked open weight.
Can ERNIE 4.5 0.3B PT and ERNIE 5.1 understand images?+
ERNIE 4.5 0.3B PT is not documented with image input; ERNIE 5.1 is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, ERNIE 4.5 0.3B PT or ERNIE 5.1?+
ERNIE 5.1 has a sourced maximum output of 65,536 tokens; ERNIE 4.5 0.3B PT's maximum output is not reported. A larger limit cannot be determined.
Do ERNIE 4.5 0.3B PT and ERNIE 5.1 support reasoning and tool use?+
ERNIE 4.5 0.3B PT: none of these features are definitively sourced. ERNIE 5.1: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, ERNIE 4.5 0.3B PT or ERNIE 5.1?+
ERNIE 4.5 0.3B PT has 0 sourced provider routes; ERNIE 5.1 has 1, so ERNIE 5.1 has broader tracked availability.
Which offers better value, ERNIE 4.5 0.3B PT or ERNIE 5.1?+
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.