API cost decision in 10 seconds

Step 3.5 Flash vs MiniMax M2

Pick Step 3.5 Flash when budget and context both matter.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Step 3.5 Flash when budget and context both matter.

On the standard 1M input plus 500K output workload, Step 3.5 Flash is estimated at $0.24 vs $0.76 for MiniMax M2, saving $0.52 (68.2% lower).

Cost-first pickStep 3.5 Flash
Context-first pickStep 3.5 Flash
Sample savings$0.5268.2%
10x traffic gap$5.15

Step 3.5 Flash is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $5.15. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Step 3.5 Flash stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickStep 3.5 FlashMiniMax M2
Input-heavy / RAG 5M input + 500K output Step 3.5 Flash $0.6 $1.77
Balanced workload 1M input + 1M output Step 3.5 Flash $0.39 $1.25
Output-heavy chatbot 1M input + 5M output Step 3.5 Flash $1.59 $5.25
Cheaper inputStep 3.5 Flash$0.09 vs $0.26 / 1M
Cheaper outputStep 3.5 Flash$0.3 vs $1 / 1M
Larger contextStep 3.5 Flash262.14K vs 204.8K
Sample workloadStep 3.5 Flash$0.24 vs $0.76

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Step 3.5 FlashCalculating…Estimated API cost
MiniMax M2Calculating…Estimated API cost
Cheaper for this workloadCalculating…Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Step 3.5 Flash has the lower input price, Step 3.5 Flash has the lower output price, and Step 3.5 Flash offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.24 for Step 3.5 Flash and $0.76 for MiniMax M2.

Best Fit

Choose Step 3.5 Flash when you care most about lower input-token price, lower output-token price, and larger context window.

Choose MiniMax M2 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Head-to-Head Specs
FeatureStep 3.5 Flash
(StepFun)		MiniMax M2
(MiniMax)
Input Price
prompt tokens per 1M		$0.09$0.26
Completion Price
per 1M tokens		$0.3$1
Sample Workload Cost
1M input + 500K output		$0.24$0.76
Context Window262.14K204.8K
Release Date2026-01-292025-10-23
Step 3.5 Flash

Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....

MiniMax M2

MiniMax-M2 is a compact, high-efficiency large language model optimized for end-to-end coding and agentic workflows. With 10 billion activated parameters (230 billion total), it delivers near-frontier intelligence across general reasoning,...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionStep 3.5 FlashOn the standard 1M input plus 500K output workload, Step 3.5 Flash is estimated at $0.24 vs $0.76 for MiniMax M2, saving $0.52 (68.2% lower).
High-volume input processingStep 3.5 FlashLower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsStep 3.5 FlashLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workStep 3.5 FlashA larger context window leaves more room for retrieved passages and source files.