ERNIE 5.1 vs Muse Spark 1.2

Benchmark Performance

Available Benchmarks

BenchmarkERNIE 5.1Muse Spark 1.2
LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader1,468.1099% of row best · rating · ernie-5.1; 95% CI [1463.48233336, 1472.72453179]; votes 37137; rank 251,488.47100% of row best · rating · muse-spark-1.2 (xHigh); 95% CI [1478.00612479, 1498.93408698]; votes 3244; rank 8
Overall ResultCounted from the protocol-matched rows above0 benchmark wins1 benchmark winOverall lead

Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.

FieldAt a Glance
Baidu · activeERNIE 5.1Verified Aug 29, 2026
Meta · previewMuse Spark 1.2Verified Sep 3, 2026

Technical Differences

Side-by-Side Facts

Indexable
FieldERNIE 5.1Muse Spark 1.2
DeveloperBaiduMeta
FamilyErnie 5Muse Spark
ModelERNIE 5.1Muse Spark 1.2
VersionERNIE 5.1Muse Spark 1.2
Lifecycleactivepreview
ReleasedUnknown2026-08-05
Knowledge cutoffUnknownUnknown
Input modalitiesTextText, Image, Video, Audio
Output modalitiesTextText
Context window131KUnknown
Total parametersUnknownUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessBaidu Qianfan (Standard)Unknown
Capabilitiesagents, chat, reasoning, search, toolschat, computer-use, generation, reasoning, research, structured_outputs, tools

11 comparable fields · 7 material differences · Pair passes the primary-source comparison gate

ERNIE 5.1 Capabilities

agentschatreasoningsearchtools
Input price$4.00
Output price$18.00
Serving providers1
Canonical IDbaidu/ernie-5.1

Muse Spark 1.2 Capabilities

chatcomputer-usegenerationreasoningresearchstructured outputstools
Input price
Output price
Serving providers0
Canonical IDmeta-llama/muse-spark-1.2

Internal Comparison Graph

Related Comparisons

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Primary Evidence

Sources and Freshness

Questions

ERNIE 5.1 vs Muse Spark 1.2 FAQs

Is ERNIE 5.1 or Muse Spark 1.2 better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both ERNIE 5.1 and Muse Spark 1.2, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, ERNIE 5.1 or Muse Spark 1.2?+

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 Muse Spark 1.2?+

Neither model has a larger sourced context window in this comparison. ERNIE 5.1 is 131K and Muse Spark 1.2 is —.

Which performs better in benchmarks, ERNIE 5.1 or Muse Spark 1.2?+

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 Muse Spark 1.2 be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. ERNIE 5.1 is not marked open weight; Muse Spark 1.2 is not marked open weight.

Can ERNIE 5.1 and Muse Spark 1.2 understand images?+

ERNIE 5.1 is not documented with image input; Muse Spark 1.2 is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, ERNIE 5.1 or Muse Spark 1.2?+

Neither has a larger sourced maximum output. ERNIE 5.1 is 66K and Muse Spark 1.2 is —.

Do ERNIE 5.1 and Muse Spark 1.2 support reasoning and tool use?+

ERNIE 5.1: reasoning and tool calling. Muse Spark 1.2: reasoning, tool calling, and image input. Feature support does not establish relative quality.

Which is available from more inference providers, ERNIE 5.1 or Muse Spark 1.2?+

ERNIE 5.1 has 1 sourced provider route; Muse Spark 1.2 has 0, so ERNIE 5.1 has broader tracked availability.

Which offers better value, ERNIE 5.1 or Muse Spark 1.2?+

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.

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