API cost decision in 10 seconds

Gemma 4 31B vs Seed 1.6

Pick Gemma 4 31B when budget is the priority.

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

Budget verdict

Pick Gemma 4 31B when budget is the priority.

On the standard 1M input plus 500K output workload, Gemma 4 31B is estimated at $0.3 vs $1.25 for Seed 1.6, saving $0.95 (75.6% lower).

Cost-first pickGemma 4 31B
Context-first pickBoth models
Sample savings$0.9575.6%
10x traffic gap$9.45

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $9.45. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Gemma 4 31B stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGemma 4 31BSeed 1.6
Input-heavy / RAG5M input + 500K outputGemma 4 31B$0.78$2.25
Balanced workload1M input + 1M outputGemma 4 31B$0.49$2.25
Output-heavy chatbot1M input + 5M outputGemma 4 31B$1.97$10.25
Cheaper input Gemma 4 31B $0.12 vs $0.25 / 1M

Gemma 4 31B is $0.13 cheaper per 1M input tokens (52% lower; 2.08x difference).

Cheaper output Gemma 4 31B $0.37 vs $2 / 1M

Gemma 4 31B is $1.63 cheaper per 1M output tokens (81.5% lower; 5.41x difference).

Larger context Tie 262.14K vs 262.14K

Both models report the same context window at 262.14K tokens.

Sample workload Gemma 4 31B $0.3 vs $1.25

Gemma 4 31B is $0.95 cheaper on the standard workload (75.6% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Gemma 4 31B Calculating… Estimated API cost
Seed 1.6 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 4 31B has the lower input price; Gemma 4 31B has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Gemma 4 31B 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 $1.25 for Seed 1.6.

Best Fit

Choose Gemma 4 31B when you care most about lower input-token price, and lower output-token price.

Choose Seed 1.6 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes
  • On the standard 1M input plus 500K output workload, Gemma 4 31B is estimated at $0.3 vs $1.25 for Seed 1.6, saving $0.95 (75.6% lower).
  • Gemma 4 31B is $0.95 cheaper on the standard workload (75.6% lower).
  • Gemma 4 31B is $0.13 cheaper per 1M input tokens (52% lower; 2.08x difference).
  • Gemma 4 31B is $1.63 cheaper per 1M output tokens (81.5% lower; 5.41x difference).
  • Both models report the same context window at 262.14K tokens.
Head-to-Head Specs
FeatureGemma 4 31B
(Google)
Seed 1.6
(ByteDance Seed)
Input Price
prompt tokens per 1M
$0.12$0.25
Completion Price
per 1M tokens
$0.37$2
Sample Workload Cost
1M input + 500K output
$0.3$1.25
Context Window262.14K262.14K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGemma 4 31BOn the standard 1M input plus 500K output workload, Gemma 4 31B is estimated at $0.3 vs $1.25 for Seed 1.6, saving $0.95 (75.6% lower).
High-volume input processingGemma 4 31BLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGemma 4 31BLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workTieA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

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Popular competitors
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Cheaper alternatives

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Larger context alternatives

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Google catalog

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

Open Google models

ByteDance Seed catalog

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

Open ByteDance Seed models
Gemma 4 31B

Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...

Seed 1.6

Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.