Muse Spark 1.1 vs GPT-4.1 Nano

At a Glance

Compare
Pricing and Limits
Input priceFrom · USD / 1M tokensNot reported$0.050Openrouter · Sep 3, 2026
Output priceFrom · USD / 1M tokensNot reported$0.20Openrouter · Sep 3, 2026
Context windowMaximum documented tokens1,000K1,048K
Model facts checkedSep 3, 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

All benchmark results →
BenchmarkMuse Spark 1.1GPT-4.1 Nano
LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader1,480.17100% of row best · rating · muse-spark-1.1; 95% CI [1475.34892554, 1484.99642998]; votes 27615; rank 151,284.7287% of row best · rating · gpt-4.1-nano-2025-04-14; 95% CI [1277.08013307, 1292.36659971]; votes 6103; rank 250
LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader1,294.16100% of row best · rating · muse-spark-1.1; 95% CI [1286.17018729, 1302.15601223]; votes 8447; rank 211,063.1482% of row best · rating · gpt-4.1-nano-2025-04-14; 95% CI [1044.85853307, 1081.42105669]; votes 1211; rank 124
Overall ResultCounted from the protocol-matched rows above2 benchmark winsNo overall winner0 benchmark winsNo overall winner

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

Side-by-Side Facts

FieldMuse Spark 1.1GPT-4.1 Nano
DeveloperMetaOpenAI
FamilyMuse SparkGpt 4 1
ModelMuse Spark 1.1GPT-4.1 Nano
VersionMuse Spark 1.1GPT-4.1 Nano
Lifecyclepreviewactive
Released2026-07-09Unknown
Knowledge cutoffUnknown2024-06-01
Input modalitiesText, Image, Video, AudioText, Image
Output modalitiesTextText
Context window1,000K1,048K
Total parametersUnknownUnknown
Active parametersUnknownUnknown
LicenseUnknownUnknown
Open weightsNoNo
API availableYesYes
Self-hostableNoNo
Provider accessUnknownOpenai (Standard), Openrouter (Standard)
Capabilitieschat, computer-use, generation, reasoning, research, structured_outputs, toolschat, generation, tools

Muse Spark 1.1 Capabilities

chatcomputer-usegenerationreasoningresearchstructured outputstools
Serving providers0
Canonical IDmeta-llama/muse-spark-1.1

GPT-4.1 Nano Capabilities

chatgenerationtools
Serving providers2
Canonical IDopenai/gpt-4.1-nano

Primary Evidence

Sources and Freshness

Questions

Muse Spark 1.1 vs GPT-4.1 Nano FAQs

Is Muse Spark 1.1 or GPT-4.1 Nano better for coding?+

This comparison does not currently contain a protocol-matched coding benchmark for both Muse Spark 1.1 and GPT-4.1 Nano, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.

Which is cheaper, Muse Spark 1.1 or GPT-4.1 Nano?+

Only GPT-4.1 Nano has a directly sourced input price: $0.050 per million tokens. Only GPT-4.1 Nano has a directly sourced output price: $0.20 per million tokens.

Which has a larger context window, Muse Spark 1.1 or GPT-4.1 Nano?+

GPT-4.1 Nano has the larger sourced context window. Muse Spark 1.1 supports 1,000K and GPT-4.1 Nano supports 1,048K.

Which performs better in benchmarks, Muse Spark 1.1 or GPT-4.1 Nano?+

There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.

Can Muse Spark 1.1 or GPT-4.1 Nano be self-hosted?+

Both models have the same recorded self-hosting status: unsupported. Muse Spark 1.1 is not marked open weight; GPT-4.1 Nano is not marked open weight.

Can Muse Spark 1.1 and GPT-4.1 Nano understand images?+

Muse Spark 1.1 is documented with image input; GPT-4.1 Nano is documented with image input. This reflects supported input modalities, not vision quality.

Which can generate longer answers, Muse Spark 1.1 or GPT-4.1 Nano?+

Neither has a larger sourced maximum output. Muse Spark 1.1 is — and GPT-4.1 Nano is 33K.

Do Muse Spark 1.1 and GPT-4.1 Nano support reasoning and tool use?+

Muse Spark 1.1: reasoning, tool calling, and image input. GPT-4.1 Nano: tool calling and image input. Feature support does not establish relative quality.

Which is available from more inference providers, Muse Spark 1.1 or GPT-4.1 Nano?+

Muse Spark 1.1 has 0 sourced provider routes; GPT-4.1 Nano has 2, so GPT-4.1 Nano has broader tracked availability.

Which offers better value, Muse Spark 1.1 or GPT-4.1 Nano?+

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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