gemini-2.5-flash vs deepseek-ai/DeepSeek-R1
Side-by-side comparison of gemini-2.5-flash and deepseek-ai/DeepSeek-R1 — benchmarks, pricing, context window and capabilities. Both are accessible through Requesty's unified API. deepseek-ai/DeepSeek-R1 outperforms gemini-2.5-flash on 7 of 8 shared benchmarks.
gemini-2.5-flash
Input / 1M
$0.30
Output / 1M
$2.50
Context
1.0M
Model ID
google/gemini-2.5-flash
deepseek-ai/DeepSeek-R1
Input / 1M
$3.00
Output / 1M
$7.00
Context
64K
Model ID
together/deepseek-ai/DeepSeek-R1
Benchmark comparison
MMLU Proknowledge
gemini-2.5-flash78.4%
deepseek-ai/DeepSeek-R185.0%
GPQA Diamondreasoning
gemini-2.5-flash68.3%
deepseek-ai/DeepSeek-R171.5%
HumanEvalcoding
gemini-2.5-flash88.5%
deepseek-ai/DeepSeek-R192.0%
SWE-Bench Verifiedcoding
gemini-2.5-flash53.2%
deepseek-ai/DeepSeek-R149.2%
MATHmath
gemini-2.5-flash85.3%
deepseek-ai/DeepSeek-R192.2%
AIME 2024math
gemini-2.5-flash72.1%
deepseek-ai/DeepSeek-R179.8%
MMMUmultimodal
gemini-2.5-flash72.5%
deepseek-ai/DeepSeek-R174.8%
LiveBenchreasoning
gemini-2.5-flash64.2%
deepseek-ai/DeepSeek-R171.5%
τ-bench Retailagentic
gemini-2.5-flash61.5%
deepseek-ai/DeepSeek-R1—
Scores sourced from official model cards, Artificial Analysis, and public leaderboards. Benchmarks measure specific skills and don't capture every aspect of model quality.
Pricing & specifications
| gemini-2.5-flash | deepseek-ai/DeepSeek-R1 | |
|---|---|---|
| Input price / 1M | $0.30 | $3.00 |
| Output price / 1M | $2.50 | $7.00 |
| Context window | 1.0M tokens | 64K tokens |
| Max output | 66K tokens | 8K tokens |
| Vision input | Yes | — |
| Tool calling | Yes | — |
| Reasoning | Yes | — |
| Prompt caching | Yes | — |
| Computer use | — | — |
| Provider | Google LLC (Gemini API) | Together AI Inc. |
Questions people ask
Is gemini-2.5-flash better than deepseek-ai/DeepSeek-R1?
deepseek-ai/DeepSeek-R1 outperforms gemini-2.5-flash on 7 of 8 shared benchmarks. See the benchmark comparison above for specifics — gemini-2.5-flash and deepseek-ai/DeepSeek-R1 have different strengths across reasoning, coding, math and multimodal tasks.
Which is cheaper — gemini-2.5-flash or deepseek-ai/DeepSeek-R1?
gemini-2.5-flash is cheaper. gemini-2.5-flash costs $0.30/$2.50 per 1M input/output tokens, while deepseek-ai/DeepSeek-R1 costs $3.00/$7.00.
Can I use gemini-2.5-flash and deepseek-ai/DeepSeek-R1 through the same API?
Yes. Requesty provides a single OpenAI-compatible API that routes to both. Change just the "model" parameter to switch — "google/gemini-2.5-flash" or "together/deepseek-ai/DeepSeek-R1" — no other code changes needed.
What are the context windows?
gemini-2.5-flash supports up to 1.0M tokens of context. deepseek-ai/DeepSeek-R1 supports up to 64K tokens. Longer context means you can feed larger documents or codebases in a single prompt, though quality often degrades past 128K for most models.
Switch between gemini-2.5-flash and deepseek-ai/DeepSeek-R1 with one line of code
Requesty provides a single OpenAI-compatible API for 400+ models. Change the model parameter, not your code.
Get started free