LLM Comparison
DeepSeek V4 Pro vs Gemini 3.5 Flash-Lite
Side-by-side specs, pricing & capabilities · Updated September 2026
Price vs Intelligence
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2/6 models| Organization | ||
| OpenTools Score | 55 20.9 | 24 17.3 |
| Family | DeepSeek V4 | Gemini |
| Status | Current | Current |
| Release Date | Aug 2026 | Jul 2026 |
| Context Window | 1.0M tokens | 1.0M tokens |
| Input Price | $1.32/M tokens | $0.30/M tokens |
| Output Price | $3.96/M tokens | $2.50/M tokens |
| Pricing Notes | DeepSeek direct API, DeepSeek-V4-Pro-0813: headline prices are peak uncached input $1.32 and output $3.96 per million tokens. Off-peak input is $0.66 and output $1.98; cache-hit input is $0.044 peak/$0.022 off-peak. Peak hours are 01:00-04:00 and 06:00-10:00 UTC Monday-Friday; all other hours are off-peak. DeepSeek has withdrawn the planned September 14, 2026 retirement and continues this API. Rates are conditional, not an unconditional off-peak offer. | DeepMind model page lists $0.30 input and $2.50 output per 1M tokens with no caching in the performance table. The ai.google.dev API docs were attempted through ScrapingBee and returned HTTP 400, so exact billing details beyond the official DeepMind price table were not used. |
| Capabilities | reasoningcodingtool-usestructured-outputlong-contextagenticresponses-api | textvisionaudio-inputvideo-inputpdf-inputreasoningcodingtool-usesearch-groundingcomputer-usestructured-output |
| Max Output | 393K tokens | 64K tokens |
| API Identifier | deepseek-v4-pro | gemini-3.5-flash-lite |
| Benchmarks | ||
| Artificial Analysis Intelligence Index v4.1 | 44artificial-analysis | — |
| Artificial Analysis Intelligence Index v4.1.1 | 53artificial-analysis | — |
| Artificial Analysis Intelligence Index v4.3 | 36.2829artificial-analysis | 22.6607artificial-analysis |
| GPQA Diamond | 92.8283artificial-analysis | 83.8384artificial-analysis |
| SciCode | 51.0417artificial-analysis | 41.3194artificial-analysis |
| Terminal-Bench 2.1 | 78.6517artificial-analysis | 54google-deepmind |
| Artificial Analysis Intelligence Index | — | 36artificial-analysis |
| SWE-Bench Pro | — | 54.2google-deepmind |
| GDPVal-AA v2 | — | 1140google-deepmind |
| View DeepSeek V4 Pro | View Gemini 3.5 Flash-Lite | |
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| Model | Input | Output | Total / mo | vs Best |
|---|---|---|---|---|
| Gemini 3.5 Flash-LiteCheapest | $0.30 | $1.25 | $1.55 | — |
| DeepSeek V4 Pro | $1.32 | $1.98 | $3.30 | +113% |
DeepSeek
DeepSeek V4 Pro
DeepSeek V4 Pro 0813 is an open-weight Mixture-of-Experts reasoning model for long-context coding, tool use, and agentic workloads, with native Responses API support through the DeepSeek API.
Gemini 3.5 Flash-Lite
Gemini 3.5 Flash-Lite is Google DeepMind general availability low-latency model for high-volume agentic systems, coding, document parsing, translation, and structured automation. Official DeepMind evidence lists 1M input tokens, 64k output tokens, text, image, video, audio, and PDF inputs, text output, tool use, Gemini API availability, and $0.30 input / $2.50 output pricing per million tokens.
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