API cost decision in 10 seconds

Gemma 4 31B vs Granite 4.0 Micro

Pick Granite 4.0 Micro for lower cost; pick Gemma 4 31B only if the larger context window matters more.

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

Budget verdict

Pick Granite 4.0 Micro for lower cost; pick Gemma 4 31B only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Granite 4.0 Micro is estimated at $0.07 vs $0.3 for Gemma 4 31B, saving $0.23 (76.1% lower).

Cost-first pickGranite 4.0 Micro
Context-first pickGemma 4 31B
Sample savings$0.2376.1%
10x traffic gap$2.32

Gemma 4 31B has more context, but Granite 4.0 Micro saves $0.23 on the standard workload. At 10x that traffic, the same price gap is about $2.32. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Granite 4.0 Micro stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGemma 4 31BGranite 4.0 Micro
Input-heavy / RAG5M input + 500K outputGranite 4.0 Micro$0.78$0.14
Balanced workload1M input + 1M outputGranite 4.0 Micro$0.49$0.13
Output-heavy chatbot1M input + 5M outputGranite 4.0 Micro$1.97$0.58
Cheaper input Granite 4.0 Micro $0.12 vs $0.017 / 1M

Granite 4.0 Micro is $0.1 cheaper per 1M input tokens (85.8% lower; 7.06x difference).

Cheaper output Granite 4.0 Micro $0.37 vs $0.112 / 1M

Granite 4.0 Micro is $0.26 cheaper per 1M output tokens (69.7% lower; 3.3x difference).

Larger context Gemma 4 31B 262.14K vs 131K

Gemma 4 31B has 131.14K more context (2x larger).

Sample workload Granite 4.0 Micro $0.3 vs $0.07

Granite 4.0 Micro is $0.23 cheaper on the standard workload (76.1% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Gemma 4 31B Calculating… Estimated API cost
Granite 4.0 Micro 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

Granite 4.0 Micro has the lower input price; Granite 4.0 Micro has the lower output price; Gemma 4 31B offers the larger context window. For the 1M input plus 500K output sample, Granite 4.0 Micro is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.3 for Gemma 4 31B and $0.07 for Granite 4.0 Micro.

Best Fit

Choose Gemma 4 31B when you care most about larger context window.

Choose Granite 4.0 Micro 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, Granite 4.0 Micro is estimated at $0.07 vs $0.3 for Gemma 4 31B, saving $0.23 (76.1% lower).
  • Granite 4.0 Micro is $0.23 cheaper on the standard workload (76.1% lower).
  • Granite 4.0 Micro is $0.1 cheaper per 1M input tokens (85.8% lower; 7.06x difference).
  • Granite 4.0 Micro is $0.26 cheaper per 1M output tokens (69.7% lower; 3.3x difference).
  • Gemma 4 31B has 131.14K more context (2x larger).
Head-to-Head Specs
FeatureGemma 4 31B
(Google)
Granite 4.0 Micro
(IBM)
Input Price
prompt tokens per 1M
$0.12$0.017
Completion Price
per 1M tokens
$0.37$0.112
Sample Workload Cost
1M input + 500K output
$0.3$0.07
Context Window262.14K131K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGranite 4.0 MicroOn the standard 1M input plus 500K output workload, Granite 4.0 Micro is estimated at $0.07 vs $0.3 for Gemma 4 31B, saving $0.23 (76.1% lower).
High-volume input processingGranite 4.0 MicroLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGranite 4.0 MicroLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGemma 4 31BA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

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Larger context alternatives

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Provider catalogs

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Google catalog

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IBM catalog

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