ERNIE 5.1 vs Ternary Bonsai 4B

This comparison does not currently contain a protocol-matched coding benchmark for both ERNIE 5.1 and Ternary Bonsai 4B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

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.

ERNIE 5.1 has the larger sourced context window. ERNIE 5.1 supports 131K and Ternary Bonsai 4B supports 33K.

There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.

Ternary Bonsai 4B is the only model in this pair currently marked as self-hostable. ERNIE 5.1 is not marked open weight; Ternary Bonsai 4B is open weight.

ERNIE 5.1 is not documented with image input; Ternary Bonsai 4B is not documented with image input. This reflects supported input modalities, not vision quality.

Neither has a larger sourced maximum output. ERNIE 5.1 is 66K and Ternary Bonsai 4B is —.

ERNIE 5.1: reasoning and tool calling. Ternary Bonsai 4B: none of these features are definitively sourced. Feature support does not establish relative quality.

ERNIE 5.1 has 1 sourced provider route; Ternary Bonsai 4B has 0, so ERNIE 5.1 has broader tracked availability.

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.