API cost decision in 10 seconds

Step 3.5 Flash vs Gemma 3 27B

Pick Gemma 3 27B for lower cost; pick Step 3.5 Flash only if the larger context window matters more.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Gemma 3 27B for lower cost; pick Step 3.5 Flash only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Gemma 3 27B is estimated at $0.16 vs $0.24 for Step 3.5 Flash, saving $0.08 (33.3% lower).

Cost-first pickGemma 3 27B
Context-first pickStep 3.5 Flash
Sample savings$0.0833.3%
10x traffic gap$0.8

Step 3.5 Flash has more context, but Gemma 3 27B saves $0.08 on the standard workload. At 10x that traffic, the same price gap is about $0.8. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Gemma 3 27B stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickStep 3.5 FlashGemma 3 27B
Input-heavy / RAG5M input + 500K outputGemma 3 27B$0.6$0.48
Balanced workload1M input + 1M outputGemma 3 27B$0.39$0.24
Output-heavy chatbot1M input + 5M outputGemma 3 27B$1.59$0.88
Cheaper input Gemma 3 27B $0.09 vs $0.08 / 1M

Gemma 3 27B is $0.01 cheaper per 1M input tokens (11.1% lower; 1.12x difference).

Cheaper output Gemma 3 27B $0.3 vs $0.16 / 1M

Gemma 3 27B is $0.14 cheaper per 1M output tokens (46.7% lower; 1.88x difference).

Larger context Step 3.5 Flash 262.14K vs 131.07K

Step 3.5 Flash has 131.07K more context (2x larger).

Sample workload Gemma 3 27B $0.24 vs $0.16

Gemma 3 27B is $0.08 cheaper on the standard workload (33.3% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Step 3.5 Flash Calculating… Estimated API cost
Gemma 3 27B Calculating… Estimated API cost
Cheaper for this workload Calculating… 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

Gemma 3 27B has the lower input price; Gemma 3 27B has the lower output price; Step 3.5 Flash offers the larger context window. For the 1M input plus 500K output sample, Gemma 3 27B is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.24 for Step 3.5 Flash and $0.16 for Gemma 3 27B.

Best Fit

Choose Step 3.5 Flash when you care most about larger context window.

Choose Gemma 3 27B when you care most about lower input-token price, and lower output-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, Gemma 3 27B is estimated at $0.16 vs $0.24 for Step 3.5 Flash, saving $0.08 (33.3% lower).
  • Gemma 3 27B is $0.08 cheaper on the standard workload (33.3% lower).
  • Gemma 3 27B is $0.01 cheaper per 1M input tokens (11.1% lower; 1.12x difference).
  • Gemma 3 27B is $0.14 cheaper per 1M output tokens (46.7% lower; 1.88x difference).
  • Step 3.5 Flash has 131.07K more context (2x larger).
Head-to-Head Specs
FeatureStep 3.5 Flash
(StepFun)
Gemma 3 27B
(Google)
Input Price
prompt tokens per 1M
$0.09$0.08
Completion Price
per 1M tokens
$0.3$0.16
Sample Workload Cost
1M input + 500K output
$0.24$0.16
Context Window262.14K131.07K
Release Date
Popularity#43#86

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGemma 3 27BOn the standard 1M input plus 500K output workload, Gemma 3 27B is estimated at $0.16 vs $0.24 for Step 3.5 Flash, saving $0.08 (33.3% lower).
High-volume input processingGemma 3 27BLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGemma 3 27BLower 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, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Owl Alpha offers 1.05M context with $0 sample workload cost.
  • DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.
  • MiMo-V2.5 offers 1.05M context with $0.28 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

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StepFun catalog

Review all tracked StepFun models before deciding whether this matchup is the right shortlist.

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Google catalog

Check other Google models with comparable pricing, context, or release timing.

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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....

Gemma 3 27B

Gemma 3 introduces multimodality, supporting vision-language input and text outputs. It handles context windows up to 128k tokens, understands over 140 languages, and offers improved math, reasoning, and chat capabilities,...