AI model comparison

Muse Glimmer 30B vs Step 3.7 Flash

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Muse Glimmer 30B is a dense, open-weight multimodal model from Meta Superintelligence Labs, distilled from Muse Spark and optimized for autonomous agents on consumer hardware.

Input / 1M
$0.30
Output / 1M
$1.20
Context
131K

Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model.

Input / 1M
$0.20
Output / 1M
$1.15
Context
262K

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

stepfun logo

Step 3.7 Flash

1.2x cheaper for a typical chat

Higher intelligence score

stepfun logo

Step 3.7 Flash

19.5 vs 17.5 on Artificial Analysis

Larger context window

stepfun logo

Step 3.7 Flash

262K vs 131K tokens

Newer release

meta logo

Muse Glimmer 30B

Released August 9, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

meta logoMuse Glimmer 30B17.5
stepfun logoStep 3.7 Flash19.5

Coding index

meta logoMuse Glimmer 30B49
stepfun logoStep 3.7 Flash39.6

Agentic index

meta logoMuse Glimmer 30B8.5
stepfun logoStep 3.7 FlashNot available

Pricing

Muse Glimmer 30B vs Step 3.7 Flash API pricing

Per-token API rates. Cheaper option highlighted.

Metricmeta logoMuse Glimmer 30Bstepfun logoStep 3.7 Flash
Input tokensPer 1M tokens$0.30$0.20
Output tokensPer 1M tokens$1.20$1.15
Cached input (read)Per 1M tokens$0.04$0.04
Cache writePer 1M tokensNot availableNot available

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

meta logoMuse Glimmer 30B$1.20
stepfun logoStep 3.7 Flash$0.98

Coding task

30K in, 4K out

meta logoMuse Glimmer 30B$13.80$6 cached
stepfun logoStep 3.7 Flash$10.60$5.80 cached

Long document summary

150K in, 2K out

meta logoMuse Glimmer 30B$47.40$8.40 cached
stepfun logoStep 3.7 Flash$32.30$8.30 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricmeta logoMuse Glimmer 30Bstepfun logoStep 3.7 Flash
Context window131K tokens262K tokens
Max output16K tokens230K tokens
Input typesImage, TextImage, Text, Video
Output typesTextText
Reasoning effort levelsExtra high, High, Medium, LowHigh, Medium, Low
Default reasoning effortMediumMedium
Release dateAugust 9, 2026May 28, 2026

Features

Supported features

API features available for each model.

Metricmeta logoMuse Glimmer 30Bstepfun logoStep 3.7 Flash
Tool callingSupportedSupported
Structured outputsSupportedSupported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesSupportedSupported
Deterministic seedSupportedSupported
Verbosity controlNot supportedNot supported

Our take

Step 3.7 Flash is 1.2x cheaper for a typical chat. Step 3.7 Flash scores higher on the Artificial Analysis Intelligence Index (19.5 vs 17.5). Step 3.7 Flash has the larger context window (262K vs 131K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Muse Glimmer 30B or Step 3.7 Flash cheaper?

Step 3.7 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Step 3.7 Flash costs $0.20 per 1M input tokens and $1.15 per 1M output tokens, while Muse Glimmer 30B costs $0.30 per 1M input tokens and $1.20 per 1M output tokens.

Which has a bigger context window, Muse Glimmer 30B or Step 3.7 Flash?

Step 3.7 Flash supports up to 262K tokens of context, compared with 131K for Muse Glimmer 30B.

Is Muse Glimmer 30B smarter than Step 3.7 Flash?

On the Artificial Analysis Intelligence Index, Muse Glimmer 30B scores 17.5 and Step 3.7 Flash scores 19.5, putting Step 3.7 Flash ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Muse Glimmer 30B and Step 3.7 Flash at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Muse Glimmer 30B and Step 3.7 Flash answer side by side and keep the better response.

meta logostepfun logo

Why choose? Ask both.

Send one prompt to Muse Glimmer 30B and Step 3.7 Flash at the same time. Compare the answers side by side and keep the best one.