High-volume, cost-sensitive work
Choose DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 costs 15% less on a typical mix of three input tokens for every output token ($0.15 against $0.18 per million tokens).
DeepSeek V4 Flash 0731 vs Gemini 2.5 Flash-Lite: price, context and capabilities
Choose DeepSeek V4 Flash 0731 for high-volume, cost-sensitive work, writing and code generation and the latest release. Choose Gemini 2.5 Flash-Lite for reused prompts and documents (RAG, agents) and images as input.
In short
- DeepSeek V4 Flash 0731 is 15% cheaper than Gemini 2.5 Flash-Lite at the headline price ($0.1488 / 1M tokens vs $0.175 / 1M tokens).
- Both accept 1.05M tokens per request.
- DeepSeek V4 Flash 0731 is the newer model (Jul 31, 2026, against July 2025).
- Only Gemini 2.5 Flash-Lite offers vision, batch api.
Which should you choose?
Each answer below comes straight from the published prices, specifications and independent benchmark results.
Writing and code generation
Choose DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 charges $0.24 per million output tokens, against $0.40 for Gemini 2.5 Flash-Lite. Output dominates the bill when answers are long.
Reused prompts and documents (RAG, agents)
Choose Gemini 2.5 Flash-Lite
Gemini 2.5 Flash-Lite charges $0.01 per million cached input tokens, against $0.02 for DeepSeek V4 Flash 0731.
Images as input
Choose Gemini 2.5 Flash-Lite
Gemini 2.5 Flash-Lite accepts images as input; DeepSeek V4 Flash 0731 does not.
Latest release
Choose DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is the newer release (Jul 31, 2026, against July 2025 for Gemini 2.5 Flash-Lite).
Monthly cost at three volumes
| Volume | DeepSeek V4 Flash 0731 | Gemini 2.5 Flash-Lite | Difference |
|---|---|---|---|
| Prototype: 1M input, 250K output tokens | $0.18 | $0.20 | DeepSeek V4 Flash 0731, $0.02 less |
| Production: 20M input, 5M output tokens | $3.57 | $4.00 | DeepSeek V4 Flash 0731, $0.43 less |
| Scale: 500M input, 100M output tokens | $83.30 | $90.00 | DeepSeek V4 Flash 0731, $6.70 less |
Standard rates, without caching or batch discounts. Volumes are per month.
Specifications side by side
| DeepSeek V4 Flash 0731 | Gemini 2.5 Flash-Lite | |
|---|---|---|
| Provider | DeepSeek | |
| Category | Language models | Language models |
| Status | Generally available | Legacy |
| Headline price | $0.1488 / 1M tokens | $0.175 / 1M tokens |
| Input | $0.119 / 1M tokens | $0.10 / 1M tokens |
| Output | $0.238 / 1M tokens | $0.40 / 1M tokens |
| Cached input | $0.0238 / 1M tokens | $0.01 / 1M tokens |
| Context window | 1.05M | 1.05M |
| Max output | 944k | 66k |
| Released | Jul 31, 2026 | July 2025 |
| Knowledge cutoff | No data | January 2025 |
| Licence | Proprietary | Proprietary |
| Capabilities | Reasoning, Tool calling, Structured output, Prompt caching | Vision, Reasoning, Tool calling, Structured output, Prompt caching, Batch API |
| API model id | deepseek-v4-flash-0731 | gemini-2.5-flash-lite |
Benchmarks side by side
Leader in bold.
| Benchmark | DeepSeek V4 Flash 0731 | Gemini 2.5 Flash-Lite |
|---|---|---|
| Terminal-Bench Hard | No data | 2.3% |
| GPQA Diamond | No data | 47.4% |
| Humanity's Last Exam | No data | 3.7% |
| IFBench (instruction following) | No data | 31.5% |
| τ²-Bench (agentic tool use) | No data | 19% |
| MMMU-Pro (visual reasoning) | No data | 54% |
| Long-context reasoning (AA-LCR) | No data | 32% |
Independent evaluations by Artificial Analysis, run the same way for every model, at the reasoning setting shown. Percentages unless marked as an index.
Frequently asked questions
Should I choose DeepSeek V4 Flash 0731 or Gemini 2.5 Flash-Lite?
Choose DeepSeek V4 Flash 0731 for high-volume, cost-sensitive work, writing and code generation and the latest release. Choose Gemini 2.5 Flash-Lite for reused prompts and documents (RAG, agents) and images as input.
Which is cheaper, DeepSeek V4 Flash 0731 or Gemini 2.5 Flash-Lite?
DeepSeek V4 Flash 0731 is 15% cheaper than Gemini 2.5 Flash-Lite at the headline price ($0.1488 / 1M tokens vs $0.175 / 1M tokens).
Which has the larger context window, DeepSeek V4 Flash 0731 or Gemini 2.5 Flash-Lite?
Both accept 1.05M tokens per request.
What is the difference between DeepSeek V4 Flash 0731 and Gemini 2.5 Flash-Lite?
DeepSeek V4 Flash 0731 is made by DeepSeek and Gemini 2.5 Flash-Lite by Google. DeepSeek V4 Flash 0731 is 15% cheaper than Gemini 2.5 Flash-Lite at the headline price ($0.1488 / 1M tokens vs $0.175 / 1M tokens). Both accept 1.05M tokens per request. DeepSeek V4 Flash 0731 is the newer model (Jul 31, 2026, against July 2025). Only Gemini 2.5 Flash-Lite offers vision, batch api.
How much do DeepSeek V4 Flash 0731 and Gemini 2.5 Flash-Lite cost per month?
At 20 million input and 5 million output tokens a month, DeepSeek V4 Flash 0731 costs $3.57 and Gemini 2.5 Flash-Lite costs $4.00, at standard rates.
Which is newer, DeepSeek V4 Flash 0731 or Gemini 2.5 Flash-Lite?
DeepSeek V4 Flash 0731 was released on Jul 31, 2026 and Gemini 2.5 Flash-Lite on July 2025.