API cost decision in 10 seconds

🔥Gemini 3 Flash Preview vs 🔥DeepSeek V3.2

Pick DeepSeek V3.2 for lower cost; pick Gemini 3 Flash Preview 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 DeepSeek V3.2 for lower cost; pick Gemini 3 Flash Preview only if the larger context window matters more.

On the standard 1M input plus 500K output workload, DeepSeek V3.2 is estimated at $0.44 vs $2 for Gemini 3 Flash Preview, saving $1.56 (78% lower).

Cost-first pickDeepSeek V3.2
Context-first pickGemini 3 Flash Preview
Sample savings$1.5678%
10x traffic gap$15.59

Gemini 3 Flash Preview has more context, but DeepSeek V3.2 saves $1.56 on the standard workload. At 10x that traffic, the same price gap is about $15.59. Use the calculator below to replace the sample workload with your own token volume.

Cheaper input DeepSeek V3.2 $0.5 vs $0.252 / 1M

DeepSeek V3.2 is $0.25 cheaper per 1M input tokens (49.6% lower; 1.98x difference).

Cheaper output DeepSeek V3.2 $3 vs $0.378 / 1M

DeepSeek V3.2 is $2.62 cheaper per 1M output tokens (87.4% lower; 7.94x difference).

Larger context Gemini 3 Flash Preview 1.05M vs 131.07K

Gemini 3 Flash Preview has 917.5K more context (8x larger).

Sample workload DeepSeek V3.2 $2 vs $0.44

DeepSeek V3.2 is $1.56 cheaper on the standard workload (78% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Gemini 3 Flash Preview Calculating… Estimated API cost
DeepSeek V3.2 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

DeepSeek V3.2 has the lower input price; DeepSeek V3.2 has the lower output price; Gemini 3 Flash Preview offers the larger context window. For the 1M input plus 500K output sample, DeepSeek V3.2 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2 for Gemini 3 Flash Preview and $0.44 for DeepSeek V3.2.

Best Fit

Choose Gemini 3 Flash Preview when you care most about larger context window.

Choose DeepSeek V3.2 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, DeepSeek V3.2 is estimated at $0.44 vs $2 for Gemini 3 Flash Preview, saving $1.56 (78% lower).
  • DeepSeek V3.2 is $1.56 cheaper on the standard workload (78% lower).
  • DeepSeek V3.2 is $0.25 cheaper per 1M input tokens (49.6% lower; 1.98x difference).
  • DeepSeek V3.2 is $2.62 cheaper per 1M output tokens (87.4% lower; 7.94x difference).
  • Gemini 3 Flash Preview has 917.5K more context (8x larger).
Head-to-Head Specs
Feature🔥Gemini 3 Flash Preview
(Google)
🔥DeepSeek V3.2
(DeepSeek)
Input Price
prompt tokens per 1M
$0.5$0.252
Completion Price
per 1M tokens
$3$0.378
Sample Workload Cost
1M input + 500K output
$2$0.44
Context Window1.05M131.07K
Release Date2025-12-172025-12-01
Popularity Rank
current rank
#6#7

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionDeepSeek V3.2On the standard 1M input plus 500K output workload, DeepSeek V3.2 is estimated at $0.44 vs $2 for Gemini 3 Flash Preview, saving $1.56 (78% lower).
High-volume input processingDeepSeek V3.2Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsDeepSeek V3.2Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGemini 3 Flash PreviewA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Cheaper alternatives

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

Open cheapest models

Larger context alternatives

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

Open largest context models

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

DeepSeek catalog

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

Open DeepSeek models
Gemini 3 Flash Preview

Gemini 3 Flash Preview is a high speed, high value thinking model designed for agentic workflows, multi turn chat, and coding assistance. It delivers near Pro level reasoning and tool...

DeepSeek V3.2

DeepSeek-V3.2 is a large language model designed to harmonize high computational efficiency with strong reasoning and agentic tool-use performance. It introduces DeepSeek Sparse Attention (DSA), a fine-grained sparse attention mechanism...