ERNIE 5.1 vs DeepSeek V4 Pro Base
At a Glance
| Compare |  ERNIE 5.1Baidu |  DeepSeek V4 Pro BaseDeepSeek |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | 131K | 1,049K |
| Model facts checked | Aug 29, 2026View model evidence → | Aug 28, 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 5.1 | DeepSeek-V4-Pro-Base |
|---|---|---|
| Developer | Baidu | DeepSeek |
| Family | Ernie 5 | Deepseek V4 Pro Base |
| Model | ERNIE 5.1 | DeepSeek-V4-Pro-Base |
| Version | ERNIE 5.1 | DeepSeek-V4-Pro-Base |
| Lifecycle | active | active |
| Released | Unknown | 2026-04-24 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 131K | 1,049K |
| Total parameters | Unknown | 1.6T |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | Yes |
| API available | Yes | Unknown |
| Self-hostable | No | Yes |
| Provider access | Baidu Qianfan (Standard) | Unknown |
| Capabilities | agents, chat, reasoning, search, tools | generation |
ERNIE 5.1 Capabilities
DeepSeek V4 Pro Base Capabilities
Related Comparisons
All text comparisons →| A | Pair | B | Context |
|---|---|---|---|
ERNIE 5.1Baidu | vs |  GPT-6 AstraOpenAI | cross-developer peerstext |
Claude Fable 5.1Anthropic | vs | ERNIE 5.1Baidu | cross-developer peerstext |
ERNIE 5.1Baidu | vs |  Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
ERNIE 5.1Baidu | vs | DeepSeek-V4.1-FlashDeepSeek | cross-developer peerstext |
ERNIE 5.1Baidu | vs | Grok 4.6xAI | cross-developer peerstext |
ERNIE 5.1Baidu | vs |  Qwen3.8-MaxQwen | cross-developer peerstext |
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 DeepSeek V4 Pro Base FAQs
Is ERNIE 5.1 or DeepSeek V4 Pro Base better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both ERNIE 5.1 and DeepSeek V4 Pro Base, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, ERNIE 5.1 or DeepSeek V4 Pro Base?+
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 5.1 or DeepSeek V4 Pro Base?+
DeepSeek V4 Pro Base has the larger sourced context window. ERNIE 5.1 supports 131K and DeepSeek V4 Pro Base supports 1,049K.
Which performs better in benchmarks, ERNIE 5.1 or DeepSeek V4 Pro Base?+
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 DeepSeek V4 Pro Base be self-hosted?+
DeepSeek V4 Pro Base is the only model in this pair currently marked as self-hostable. ERNIE 5.1 is not marked open weight; DeepSeek V4 Pro Base is open weight.
Can ERNIE 5.1 and DeepSeek V4 Pro Base understand images?+
ERNIE 5.1 is not documented with image input; DeepSeek V4 Pro Base is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, ERNIE 5.1 or DeepSeek V4 Pro Base?+
Neither has a larger sourced maximum output. ERNIE 5.1 is 66K and DeepSeek V4 Pro Base is —.
Do ERNIE 5.1 and DeepSeek V4 Pro Base support reasoning and tool use?+
ERNIE 5.1: reasoning and tool calling. DeepSeek V4 Pro Base: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, ERNIE 5.1 or DeepSeek V4 Pro Base?+
ERNIE 5.1 has 1 sourced provider route; DeepSeek V4 Pro Base has 0, so ERNIE 5.1 has broader tracked availability.
Which offers better value, ERNIE 5.1 or DeepSeek V4 Pro Base?+
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.