DeepSeek V3.2 (Chat) vs Gemini 2.5 Flash
Complete pricing and performance comparison between DeepSeek's DeepSeek V3.2 (Chat) and Google's Gemini 2.5 Flash.
Quick Verdict
Cheaper
DeepSeek V3.2 (Chat)
1.1x cheaper input, 6.0x cheaper output
Larger Context
Gemini 2.5 Flash
1.0M vs 128K
Higher Quality
DeepSeek V3.2 (Chat)
Score: 32 vs 21
Pricing Comparison
| Spec | DeepSeek V3.2 (Chat) | Gemini 2.5 Flash | Difference |
|---|---|---|---|
| Provider | DeepSeek | ||
| Input / 1M tokens | $0.28 | $0.3 | DeepSeek V3.2 (Chat) is 7% more expensive |
| Output / 1M tokens | $0.42 | $2.5 | DeepSeek V3.2 (Chat) is 83% more expensive |
| Context Window | 128K | 1.0M | 8x difference |
| Max Output | 8K | 66K |
Performance Benchmarks
| Metric | DeepSeek V3.2 (Chat) | Gemini 2.5 Flash | Winner |
|---|---|---|---|
| Quality Index | 32 | 21 | DeepSeek V3.2 (Chat) |
| Output Speed | -- | 231 tok/s | N/A |
| Time to First Token | 0.00s | 0.42s | DeepSeek V3.2 (Chat) |
| Value (Quality/$) | 114.6 | 68.7 | Higher = better value |
Benchmark data from Artificial Analysis. Quality Index is a composite score across reasoning, coding, and knowledge tasks.
Cost at Scale
Estimated cost at different usage levels (3:1 input-to-output token ratio, typical for chat).
| Usage | DeepSeek V3.2 (Chat) | Gemini 2.5 Flash | Savings |
|---|---|---|---|
Single request 1K in / 300 out | $0.0004 | $0.0010 | Same |
10 requests 10K in / 3K out | $0.0041 | $0.010 | DeepSeek V3.2 (Chat) saves $0.0064 |
100 requests 100K in / 30K out | $0.041 | $0.105 | DeepSeek V3.2 (Chat) saves $0.064 |
1,000 requests 1M in / 300K out | $0.406 | $1.05 | DeepSeek V3.2 (Chat) saves $0.644 |
10,000 requests 10M in / 3M out | $4.06 | $10.50 | DeepSeek V3.2 (Chat) saves $6.44 |
1M requests/mo 1B in / 300M out | $406.00 | $1050.00 | DeepSeek V3.2 (Chat) saves $644.00 |
Pros & Cons
DeepSeek V3.2 (Chat) Strengths
- +Cheaper input tokens
- +Cheaper output tokens
- +Higher quality score (32 vs 21)
Gemini 2.5 Flash Strengths
- +Larger context window (1.0M vs 128K)
- +Higher max output tokens
When to Use Each Model
Choose DeepSeek V3.2 (Chat) for
- →Budget-conscious projects where cost is the primary factor
- →Tasks requiring maximum accuracy and reasoning
Choose Gemini 2.5 Flash for
- →Long documents, large codebases, or multi-turn conversations
- →Generating long-form content or detailed code
Frequently Asked Questions
Which is cheaper, DeepSeek V3.2 (Chat) or Gemini 2.5 Flash?
For input tokens, DeepSeek V3.2 (Chat) is 1.1x cheaper at $0.28/1M tokens. For output tokens, DeepSeek V3.2 (Chat) is 6.0x cheaper at $0.42/1M tokens. At typical usage (1M input + 300K output), DeepSeek V3.2 (Chat) costs $0.406 vs Gemini 2.5 Flash at $1.05.
What's the context window difference?
DeepSeek V3.2 (Chat) supports 128K context (128,000 tokens), while Gemini 2.5 Flash supports 1.0M (1,048,576 tokens). Gemini 2.5 Flash can handle 8x more context in a single request.
Which model has better benchmarks?
Quality Index: DeepSeek V3.2 (Chat) scores 32 vs Gemini 2.5 Flash at 21.
When should I choose DeepSeek V3.2 (Chat) over Gemini 2.5 Flash?
Choose DeepSeek V3.2 (Chat) when you need: Cheaper input tokens, Cheaper output tokens, Higher quality score (32 vs 21). Choose Gemini 2.5 Flash when you need: Larger context window (1.0M vs 128K), Higher max output tokens.
How much would 10,000 API requests cost?
At 1K input + 300 output tokens per request (typical chat): DeepSeek V3.2 (Chat) = $4.06, Gemini 2.5 Flash = $10.50. At 10K input + 1K output per request (longer conversations): DeepSeek V3.2 (Chat) = $32.20, Gemini 2.5 Flash = $55.00.
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