What is the best alternative to Muse Spark 1.3?

Kimi K3 is the closest model that scores higher on the BenchLeader Index (62.1 against 61.9). For less money, Gemini 3.7 Flash scores 62.2 at $1.50 per 1M tokens.

Is there a cheaper alternative to Muse Spark 1.3?

Yes: Gemini 3.7 Flash (62.2, $1.50), Gemini 3.8 Flash (61.9, $1.50) and Gemini 3.6 Flash (61.3, $1.50), each within 4 Index points and cheaper than Muse Spark 1.3's $2.00.

Is there an open-source alternative to Muse Spark 1.3?

The best open-weights models on the BenchLeader Index are Kimi K3 (62.1), GLM-5 (60.2) and GLM 5.2 (60.1). You can download and run them yourself; check each licence on its model page.

How are these alternatives chosen?

From the models ranked on the BenchLeader Index today: the ones just above Muse Spark 1.3, cheaper ones within 4 points, ones at least 1.5× as fast within 4 points, and the best open-weights models. Prices are list prices blended three input tokens to one output.

Muse Spark 1.3 alternatives

Data as of 2 Nov 2026 · ranked on the BenchLeader Index

As of 2 Nov 2026, Muse Spark 1.3 by Meta scores 61.9 on the BenchLeader Index at $2.00 per 1M tokens blended. Kimi K3 scores higher (62.1); Gemini 3.7 Flash is the best cheaper model within 4 points (62.2 at $1.50); Muse Spark 1.2 is at least 1.5× as fast at a similar score; Kimi K3 is the best open-weights option (62.1).

Scores higher

The closest models above Muse Spark 1.3 on the Index.

Kimi K3 Moonshot AI compare62.1 · $6.00
Gemini 3.7 Flash Google compare62.2 · $1.50
Muse Spark 1.1 Meta compare62.2 · $2.00

Cheaper, nearly as good

Within 4 Index points, for less per token.

Gemini 3.7 Flash Google compare62.2 · $1.50
Gemini 3.8 Flash Google compare61.9 · $1.50
Gemini 3.6 Flash Google61.3 · $1.50
GLM-5 Zhipu AI compare60.2 · $1.55
Kimi K2.6 Moonshot AI59.7 · $1.71

Faster

At least 1.5× the output speed, within 4 points.

Muse Spark 1.2 Meta compare61.6 · $2.00
Grok 4.20 Multi-Agent SpaceXAI58.4 · $1.56

Open weights

The best models whose weights you can run yourself.

Kimi K3 Moonshot AI compare62.1 · $6.00
GLM-5 Zhipu AI compare60.2 · $1.55
GLM 5.2 Zhipu AI60.1 · $2.15

Every alternative side by side

Model	Index	$ / 1M blended	Tokens / s	Why
Muse Spark 1.3 (this model)	61.9	$2.00	194	–
Gemini 3.7 Flash	62.2	$1.50	91	scores higher, cheaper
Muse Spark 1.1	62.2	$2.00	206	scores higher
Kimi K3	62.1	$6.00	66	scores higher, open weights
Gemini 3.8 Flash	61.9	$1.50	131	cheaper
Muse Spark 1.2	61.6	$2.00	296	faster
Gemini 3.6 Flash	61.3	$1.50	197	cheaper
GLM-5	60.2	$1.55	62	cheaper, open weights
GLM 5.2	60.1	$2.15	89	open weights
Kimi K2.6	59.7	$1.71	41	cheaper
Grok 4.20 Multi-Agent	58.4	$1.56	362	faster

Prices are list prices blended three input tokens to one output; speeds are measured medians, credited on each model page. The Index is BenchLeader's own, from independent benchmarks.

Questions people ask

What is the best alternative to Muse Spark 1.3?: Kimi K3 is the closest model that scores higher on the BenchLeader Index (62.1 against 61.9). For less money, Gemini 3.7 Flash scores 62.2 at $1.50 per 1M tokens.
Is there a cheaper alternative to Muse Spark 1.3?: Yes: Gemini 3.7 Flash (62.2, $1.50), Gemini 3.8 Flash (61.9, $1.50) and Gemini 3.6 Flash (61.3, $1.50), each within 4 Index points and cheaper than Muse Spark 1.3's $2.00.
Is there an open-source alternative to Muse Spark 1.3?: The best open-weights models on the BenchLeader Index are Kimi K3 (62.1), GLM-5 (60.2) and GLM 5.2 (60.1). You can download and run them yourself; check each licence on its model page.
How are these alternatives chosen?: From the models ranked on the BenchLeader Index today: the ones just above Muse Spark 1.3, cheaper ones within 4 points, ones at least 1.5× as fast within 4 points, and the best open-weights models. Prices are list prices blended three input tokens to one output.