Price Per TokenPrice Per Token
Deepseek
Deepseek
vs
Google
Google

R1 vs Gemini 2.5 Flash

A detailed comparison of pricing, benchmarks, and capabilities

108 out of our 483 tracked models have had a price change in March.

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Key Takeaways

R1 wins:

  • Cheaper output tokens
  • Better at math

Gemini 2.5 Flash wins:

  • Cheaper input tokens
  • Larger context window
  • Faster response time
  • Higher intelligence benchmark
  • Better at coding
  • Supports vision
Price Advantage
R1
Benchmark Advantage
Gemini 2.5 Flash
Context Window
Gemini 2.5 Flash
Speed
Gemini 2.5 Flash

Pricing Comparison

Price Comparison

MetricR1Gemini 2.5 FlashWinner
Input (per 1M tokens)$0.55$0.30 Gemini 2.5 Flash
Output (per 1M tokens)$2.19$2.50 R1
Cache Read (per 1M)N/A$0.03 Gemini 2.5 Flash
Cache Write (per 1M)N/A$0.08 Gemini 2.5 Flash
Using a 3:1 input/output ratio, Gemini 2.5 Flash is 11% cheaper overall.

R1 Providers

No provider data available

Gemini 2.5 Flash Providers

No provider data available

Benchmark Comparison

8
Benchmarks Compared
6
R1 Wins
2
Gemini 2.5 Flash Wins

Benchmark Scores

BenchmarkR1Gemini 2.5 FlashWinner
Intelligence Index
Overall intelligence score
18.820.6
Coding Index
Code generation & understanding
15.917.8
Math Index
Mathematical reasoning
68.060.3
MMLU Pro
Academic knowledge
84.480.9
GPQA
Graduate-level science
70.868.3
LiveCodeBench
Competitive programming
61.749.5
Aider
Real-world code editing
64.055.1
AIME
Competition math
68.350.0
R1 shows stronger mathematical reasoning abilities.

Cost vs Quality

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R1
Other models

Context & Performance

Context Window

R1
64,000
tokens
Gemini 2.5 Flash
1,048,576
tokens
Gemini 2.5 Flash has a 94% larger context window.

Speed Performance

MetricR1Gemini 2.5 FlashWinner
Tokens/second0.0 tok/s205.9 tok/s
Time to First Token0.00s0.40s
Gemini 2.5 Flash responds Infinity% faster on average.

Capabilities

Feature Comparison

FeatureR1Gemini 2.5 Flash
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyR1Gemini 2.5 Flash
LicenseProprietaryProprietary
AuthorDeepseekGoogle
ReleasedJan 2025Jun 2025

R1 Modalities

Input
text
Output
text

Gemini 2.5 Flash Modalities

Input
fileimagetextaudiovideo
Output
text

Related Comparisons

Compare R1 with:

Compare Gemini 2.5 Flash with:

Frequently Asked Questions

Gemini 2.5 Flash has cheaper input pricing at $0.30/M tokens. R1 has cheaper output pricing at $2.19/M tokens.
Gemini 2.5 Flash scores higher on coding benchmarks with a score of 17.8, compared to R1's score of 15.9.
R1 has a 64,000 token context window, while Gemini 2.5 Flash has a 1,048,576 token context window.
R1 does not support vision. Gemini 2.5 Flash supports vision.