MolmoAct2 Think vs ERNIE 5.1
At a Glance
| Compare |  ERNIE 5.1Baidu | |
|---|---|---|
| Pricing and Limits | ||
| Context windowMaximum documented tokens | 16K | 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 | MolmoAct2-Think | ERNIE 5.1 |
|---|---|---|
| Developer | Ai2 | Baidu |
| Family | Molmoact2 Think | Ernie 5 |
| Model | MolmoAct2-Think | ERNIE 5.1 |
| Version | MolmoAct2-Think | ERNIE 5.1 |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Model-specific input | Text |
| Output modalities | Model-specific input | Text |
| Context window | 16K | 131K |
| Total parameters | 5.4B | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | Yes | No |
| API available | Unknown | Yes |
| Self-hostable | Yes | No |
| Provider access | Unknown | Baidu Qianfan (Standard) |
| Capabilities | reasoning, robot_action_generation | agents, chat, reasoning, search, tools |
MolmoAct2 Think Capabilities
ERNIE 5.1 Capabilities
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| vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
MolmoAct2 Think vs ERNIE 5.1 FAQs
Is MolmoAct2 Think or ERNIE 5.1 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both MolmoAct2 Think and ERNIE 5.1, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, MolmoAct2 Think 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, MolmoAct2 Think or ERNIE 5.1?+
ERNIE 5.1 has the larger sourced context window. MolmoAct2 Think supports 16K and ERNIE 5.1 supports 131K.
Which performs better in benchmarks, MolmoAct2 Think 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 MolmoAct2 Think or ERNIE 5.1 be self-hosted?+
MolmoAct2 Think is the only model in this pair currently marked as self-hostable. MolmoAct2 Think is open weight; ERNIE 5.1 is not marked open weight.
Can MolmoAct2 Think and ERNIE 5.1 understand images?+
MolmoAct2 Think 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, MolmoAct2 Think or ERNIE 5.1?+
Neither has a larger sourced maximum output. MolmoAct2 Think is — and ERNIE 5.1 is 66K.
Do MolmoAct2 Think and ERNIE 5.1 support reasoning and tool use?+
MolmoAct2 Think: reasoning. ERNIE 5.1: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, MolmoAct2 Think or ERNIE 5.1?+
MolmoAct2 Think has 0 sourced provider routes; ERNIE 5.1 has 1, so ERNIE 5.1 has broader tracked availability.
Which offers better value, MolmoAct2 Think 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.