DeepSeek V3.2 vs Gemini 3.1 Flash Image Preview: API Cost Comparison
Compare the API pricing, context windows, features, and real-world cost projections for DeepSeek V3.2 (DeepSeek) and Gemini 3.1 Flash Image Preview (Google). Use the interactive calculator below to compute your exact monthly cost based on your token usage and request volume.
Prices verified Mar 27, 2026
Interactive Cost Calculator
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Showing costs for 2 models. Cheapest: DeepSeek V3.2 at $4.90/month.
| Alert | |||||||
|---|---|---|---|---|---|---|---|
BestDeepSeek V3.2 | DeepSeek | $4.90 | $0.000490 | $2.80 | $2.10 | 75.5% | Alerts coming soon |
Gemini 3.1 Flash Image Preview | $20.00 | $0.002000 | $5.00 | $15.00 | — | Alerts coming soon |
Monthly Cost Comparison
Price Comparison at a Glance
All prices are in USD per 1 million tokens ($/M tokens). Lower is cheaper.
| Pricing Type | DeepSeek V3.2 | Gemini 3.1 Flash Image Preview | Cheaper |
|---|---|---|---|
| Input (standard) | $0.28/M | $0.50/M | DeepSeek V3.2 |
| Output | $0.42/M | $3.00/M | DeepSeek V3.2 |
| Cached input | $0.03/M | N/A | — |
Prices last verified: 2026-03-06 – 2026-03-27
Cost Breakdown by Usage Volume
Estimated monthly costs at different request volumes, assuming 1,000 input tokens and 500 output tokens per request. Adjust in the calculator above for your specific use case.
| Volume | DeepSeek V3.2Monthly | Gemini 3.1 Flash Image PreviewMonthly | DeepSeek V3.2Per request | Gemini 3.1 Flash Image PreviewPer request |
|---|---|---|---|---|
| 1K requests/mo | $0.49 | $2.00 | $0.000490 | $0.002000 |
| 10K requests/mo | $4.90 | $20.00 | $0.000490 | $0.002000 |
| 100K requests/mo | $49.00 | $200.00 | $0.000490 | $0.002000 |
| 1M requests/mo | $490.00 | $2,000.00 | $0.000490 | $0.002000 |
Green values indicate the lower-cost option at each volume tier. Cost per request is calculated at 1,000 input + 500 output tokens using standard (non-batch, non-cached) pricing.
Price History
Input price per 1M tokensWhen to Choose DeepSeek V3.2
by DeepSeek
- Code generation
- Content & copywriting
- General chatbot
Input / 1M tokens
$0.28/M
Output / 1M tokens
$0.42/M
Context window
128,000
Tier
premium
When to Choose Gemini 3.1 Flash Image Preview
by Google
- General chatbot
Input / 1M tokens
$0.50/M
Output / 1M tokens
$3.00/M
Context window
65,536
Tier
budget
Key Differences Beyond Price
Cost is only one factor in choosing an AI model. Context window size, rate limits, supported features, and latency all affect whether a model fits your use case.
| Capability | DeepSeek V3.2 | Gemini 3.1 Flash Image Preview |
|---|---|---|
| Context window | 128,000 tokens | 65,536 tokens |
| Max output tokens | 8,192 tokens | 65,536 tokens |
| Performance tier | Premium | Budget |
| Vision / image input | No | Yes |
| Function calling | Yes | Yes |
| JSON mode | Yes | Yes |
| Prompt caching | Yes | No |
| Batch API (50% discount) | No | No |
| Extended reasoning | No | No |
| Fine-tuning | No | No |
DeepSeek V3.2 notes
V3.2 unified pricing. Off-peak pricing (16:30-00:30 UTC) offers further discounts.
Frequently Asked Questions
Is DeepSeek V3.2 cheaper than Gemini 3.1 Flash Image Preview?
At standard usage (1,000 input tokens, 500 output tokens, 100,000 requests/month), DeepSeek V3.2 costs $49.00/month versus $200.00/month for Gemini 3.1 Flash Image Preview — a 76% saving. Your actual savings will vary based on your token profile; output-heavy workloads amplify differences in output pricing.
Which model has a larger context window, DeepSeek V3.2 or Gemini 3.1 Flash Image Preview?
DeepSeek V3.2 has a larger context window at 128,000 tokens, compared to 65,536 tokens for Gemini 3.1 Flash Image Preview. A larger context window is important for processing long documents, multi-turn conversations, or large codebases without truncation.
Do DeepSeek V3.2 and Gemini 3.1 Flash Image Preview support the Batch API?
Neither DeepSeek V3.2 nor Gemini 3.1 Flash Image Preview currently supports a batch API with discounted pricing. For batch-eligible alternatives, consider models from OpenAI, Anthropic, or Google that include batch API support.
Which model offers better prompt caching?
DeepSeek V3.2 supports prompt caching at $0.03/M for cached input, while Gemini 3.1 Flash Image Preview does not offer prompt caching. For RAG applications or chatbots with large, repeated context, DeepSeek V3.2's caching capability can substantially reduce effective costs.
What are the best use cases for DeepSeek V3.2 vs Gemini 3.1 Flash Image Preview?
Both models are well-suited for General chatbot. DeepSeek V3.2 is particularly strong for Code generation, Content & copywriting. Gemini 3.1 Flash Image Preview is favored for similar workflows. At the same quality level, the lower-cost model is usually preferable; use this page's calculator to compare total monthly spend at your volume.
What is the cost per request for DeepSeek V3.2 vs Gemini 3.1 Flash Image Preview?
At 1,000 input tokens and 500 output tokens per request — a typical conversational workload — DeepSeek V3.2 costs $0.000490 per request and Gemini 3.1 Flash Image Preview costs $0.002000 per request. At 100,000 requests/month, that translates to $49.00 and $200.00 respectively. Use the interactive calculator to adjust these parameters for your actual workload.
DeepSeek V3.2 vs Gemini 3.1 Flash Image Preview: Summary
When comparing DeepSeek V3.2 and Gemini 3.1 Flash Image Preview for API cost, the right choice depends on your workload's token profile, required features, and tolerance for latency. DeepSeek V3.2 offers lower total cost at standard usage volumes (1,000 input + 500 output tokens per request at 100,000 requests/month) at $49.00/month, compared to $200.00/month for Gemini 3.1 Flash Image Preview.
Both models are priced in USD per million tokens, the standard unit across all major AI API providers. DeepSeek V3.2 charges $0.28/M for input tokens and $0.42/M for output tokens. Gemini 3.1 Flash Image Preview charges $0.50/M input and $3.00/M output. If your workload is output-heavy (more tokens generated than consumed as input), the model with the lower output price compounds cost savings significantly at scale.
Prompt caching is supported by DeepSeek V3.2 but not Gemini 3.1 Flash Image Preview. For workloads with large, repeated system prompts or document context — such as RAG pipelines or multi-turn conversations with a fixed knowledge base — prompt caching can reduce effective input costs by 60–90%, which may change the cost ranking between these two models at your specific usage pattern.
Context window capacity differs between the two: DeepSeek V3.2 supports up to 128,000 tokens in a single request, versus 65,536 tokens for Gemini 3.1 Flash Image Preview. A larger context window is essential for document summarization, large codebase analysis, and multi-document retrieval-augmented generation (RAG) applications.
Use the interactive calculator at the top of this page to enter your actual token usage and monthly request volume for a precise cost comparison tailored to your workload. Adjust for batch API discounts and prompt caching to find the most cost-effective option for your specific deployment.
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Relevant Use Cases
See cost recommendations for workloads where DeepSeek V3.2 or Gemini 3.1 Flash Image Preview is recommended.