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Best Alternatives to Step 3.7 Flash (2026)

Looking for an alternative to Step 3.7 Flash by StepFun? Here are the top 10 alternatives ranked by our composite scoring system across benchmarks, community sentiment, pricing, and adoption data.

Last updated: just now

You are looking at alternatives to:

Step 3.7 Flash

StepFun

LLM category
40

Score

1

by meta

90
+50 vs Step 3.7 Flash
83% cheaper1.0M context+ web search
2
Muse Spark 1.2
Higher score

by meta

89
+49 vs Step 3.7 Flash
270% pricier1.0M context+ web search
3
Muse Spark 1.1
Higher score

by meta

88
+48 vs Step 3.7 Flash
270% pricier1.0M context+ web search
4

by Google

88
+48 vs Step 3.7 Flash
18% cheaper1.0M context+ web search
5
Gemini 3.7 Flash
Higher score

by Google

88
+48 vs Step 3.7 Flash
63% pricier1.0M context+ web search
6
GPT-5.6 Luna Pro
Higher score

by OpenAI

88
+48 vs Step 3.7 Flash
similar price1.1M context+ web search
7
GPT-5.6 Luna
Higher score

by OpenAI

88
+48 vs Step 3.7 Flash
similar price1.1M context+ web search
8
Grok 4.20
Higher score

by xAI

87
+47 vs Step 3.7 Flash
117% pricier2M context+ web search
9

by Google

87
+47 vs Step 3.7 Flash
similar price1.0M context+ web search
10
Grok 4.6
Higher score

by xAI

87
+47 vs Step 3.7 Flash
422% pricier500K context+ web search
Frequently Asked Questions

By our composite score, the top-ranked alternative is Muse Spark 1.2 Contributor by meta at 90 (+50 vs Step 3.7 Flash's 40). Of the 10 alternatives here, 10 score higher than Step 3.7 Flash, and Muse Spark 1.2 Contributor offers a 1.0M context.

Among the priced alternatives, Muse Spark 1.2 Contributor has the lowest output cost at $0.20 per million tokens (83% cheaper than Step 3.7 Flash).

Grok 4.20 has the largest context window among these alternatives at 2M tokens, suited to long documents and large codebases.

Why Consider Alternatives to Step 3.7 Flash?

Among the 10 closest llm alternatives to Step 3.7 Flash (composite score 40), 10 score higher, led by Muse Spark 1.2 Contributor at 90. 2 cost less per token, and the lowest-priced is Muse Spark 1.2 Contributor at $0.20 per million output tokens. Each card below breaks down how the alternative differs from Step 3.7 Flash on price, context window, and capabilities.

Our rankings evaluate each model across multiple signals updated hourly, so you can be confident these recommendations reflect the latest performance data. Browse the full LLM rankings or use our pricing comparison tool to find the best fit for your budget.

10 Best Step 3.7 Flash Alternatives & Competitors (2026) | LM Market Cap