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Gemini 2.5 Flash-Lite vs GPT-5 Codex
Comprehensive side-by-side LLM comparison
GPT-5 Codex leads with 42.9% higher average benchmark score. Gemini 2.5 Flash-Lite supports multimodal inputs. Overall, GPT-5 Codex is the stronger choice for coding tasks.
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Gemini 2.5 Flash Lite was created as the most efficient option in the Gemini 2.5 family, designed to provide cutting-edge capabilities with minimal computational overhead. Built for applications where cost and latency are primary concerns, it extends advanced multimodal understanding to resource-conscious deployments.
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OpenAI
GPT-5 Codex was developed as a specialized variant of GPT-5 optimized for programming and software development tasks. Built to understand and generate code across multiple programming languages, it serves developers with enhanced capabilities for code completion, debugging, translation, and explanation of complex codebases.
3 months newer
Gemini 2.5 Flash-Lite
2025-06-17
GPT-5 Codex
OpenAI
2025-09-15
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Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Gemini 2.5 Flash-Lite
Average Score:31.6%
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GPT-5 Codex
Average Score:74.5%(+42.9%)
Performance comparison across key benchmark categories
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Gemini 2.5 Flash-Lite
Coding31.6%
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GPT-5 Codex
Coding74.5%(+42.9%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 Codex
2024-09-30
Gemini 2.5 Flash-Lite
2025-01-01
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Gemini 2.5 Flash-Lite
1 providers
Throughput: 5.69 tok/s
Latency: 0.44ms
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GPT-5 Codex
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Gemini 2.5 Flash-Lite
Avg Score:31.6%
Providers:1
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GPT-5 Codex
Avg Score:74.5%(+42.9%)
Providers:0