What is the IQ of Muse Spark 1.3?

Muse Spark 1.3 has an estimated IQ of 121, which ranks #25 out of 135 public models on the AI IQ leaderboard. The score combines six equally weighted reasoning dimensions, each measured from source-backed benchmark results.

How much does Muse Spark 1.3 cost?

Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens. Adjusted for how many tokens it actually consumes on real tasks, its effective cost works out to $4.15 per million input-plus-output tokens.

Is Muse Spark 1.3 open source?

No — Muse Spark 1.3 is a proprietary model. Its weights are not publicly available, so it is used through hosted APIs and products.

When was Muse Spark 1.3 released?

Muse Spark 1.3 was publicly released on September 2, 2026.

How large is the context window of Muse Spark 1.3?

Muse Spark 1.3 supports a context window of 1,000,000 tokens — the amount of text it can consider in a single request.

How fast is Muse Spark 1.3?

In independent measurements, Muse Spark 1.3 generates about 197 tokens per second, with a typical response time of about 40 seconds.

Muse Spark 1.3

Public AI IQ model profile with source-backed benchmark results and derived ranking context.

IQ

121

EQ

n/a

Effective Cost

$4.1507

IQ Rank

#25

Muse Spark 1.3 API pricing — full price table, workload cost examples, and cheaper alternatives.

IQ Dimensions

Dimension	IQ	Coverage
Abstract Reasoning	100	0/3
Mathematical Reasoning	123	0/5
Academic Reasoning	142	4/6
Programmatic Reasoning	123	1/6
Computer Use	124	0/6
Reliability	115	1/7

Benchmark Results

Benchmark	Score	Dimension
AA Omniscience	25	Reliability
CritPt	24.8571	Academic Reasoning
GPQA Diamond	93.5354	Academic Reasoning
Humanity's Last Exam	48.7025	Academic Reasoning
SciCode	58.7963	Academic Reasoning
Terminal-Bench 2.1	85.3933	Programmatic Reasoning

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Frequently Asked Questions

What is the IQ of Muse Spark 1.3?: Muse Spark 1.3 has an estimated IQ of 121, which ranks #25 out of 135 public models on the AI IQ leaderboard. The score combines six equally weighted reasoning dimensions, each measured from source-backed benchmark results.
How much does Muse Spark 1.3 cost?: Muse Spark 1.3 costs $1.25 per million input tokens and $4.25 per million output tokens. Adjusted for how many tokens it actually consumes on real tasks, its effective cost works out to $4.15 per million input-plus-output tokens.
Is Muse Spark 1.3 open source?: No — Muse Spark 1.3 is a proprietary model. Its weights are not publicly available, so it is used through hosted APIs and products.
When was Muse Spark 1.3 released?: Muse Spark 1.3 was publicly released on September 2, 2026.
How large is the context window of Muse Spark 1.3?: Muse Spark 1.3 supports a context window of 1,000,000 tokens — the amount of text it can consider in a single request.
How fast is Muse Spark 1.3?: In independent measurements, Muse Spark 1.3 generates about 197 tokens per second, with a typical response time of about 40 seconds.