Claude 3 Opus vs Gemini 2.5 Flash Lite
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Claude 3 Opus by Anthropic wins on 7 of 14 benchmarks against Gemini 2.5 Flash Lite by Google, which leads on 6. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Claude 3 Opus scores 1240 on Chatbot Arena ELO compared to Gemini 2.5 Flash Lite's 1230, while Claude 3 Opus scores 68.0% on MMLU-Pro compared to Gemini 2.5 Flash Lite's 63.0%.
Coding: In coding, Claude 3 Opus scores 78.0% on HumanEval+ compared to Gemini 2.5 Flash Lite's 70.0%, while both score 22.0% on SWE-bench Verified, while Claude 3 Opus scores 32.0% on LiveCodeBench compared to Gemini 2.5 Flash Lite's 28.0%.
Math: In math, Claude 3 Opus scores 68.0% on MATH compared to Gemini 2.5 Flash Lite's 62.0%, while Claude 3 Opus scores 88.0% on GSM8K compared to Gemini 2.5 Flash Lite's 83.0%.
Reasoning: In reasoning, Claude 3 Opus scores 59.4% on GPQA Diamond compared to Gemini 2.5 Flash Lite's 32.0%, while Gemini 2.5 Flash Lite scores 14.0% on ARC-AGI compared to Claude 3 Opus's 8.0%.
Context: In context, Gemini 2.5 Flash Lite scores 1.0M on Context Length compared to Claude 3 Opus's 200K.
Pricing Comparison
Claude 3 Opus costs $15.0/1M input tokens and $75.0/1M output tokens, while Gemini 2.5 Flash Lite costs $0.10/1M input and $0.40/1M output. Gemini 2.5 Flash Lite is the more affordable option for API usage.
Speed Comparison
Claude 3 Opus generates output at 25 tok/s compared to Gemini 2.5 Flash Lite's 240 tok/s, and the time to first token is 800 ms for Claude 3 Opus versus 70 ms for Gemini 2.5 Flash Lite. Gemini 2.5 Flash Lite delivers faster throughput.
Verdict
For developers prioritizing general intelligence and math, Claude 3 Opus has the edge. For those who value affordability and speed, Gemini 2.5 Flash Lite is the stronger choice.
View Individual Model Pages
Claude 3 Opus vs Gemini 2.5 Flash Lite — FAQ
Which is better, Claude 3 Opus or Gemini 2.5 Flash Lite?
Claude 3 Opus wins on more benchmarks overall (7 vs 6). However, the best choice depends on your specific needs — each model excels in different areas.
How does Claude 3 Opus compare to Gemini 2.5 Flash Lite for coding?
Both models score 22.0% on SWE-bench Verified, making them equally capable for coding tasks.
Is Claude 3 Opus cheaper than Gemini 2.5 Flash Lite?
Yes, Gemini 2.5 Flash Lite is cheaper. Claude 3 Opus costs $15.0/1M input and $75.0/1M output tokens. Gemini 2.5 Flash Lite costs $0.10/1M input and $0.40/1M output tokens.
Which is faster, Claude 3 Opus or Gemini 2.5 Flash Lite?
Gemini 2.5 Flash Lite is faster, generating output at 240 tok/s compared to 25 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the Claude 3 Opus vs Gemini 2.5 Flash Lite comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.