GPT-3.5 Turbo vs Claude Sonnet 4 Lite

Performance benchmarks + pricing comparison — updated April 2026

GPT-3.5 Turbo

OpenAI

Budget model for simple tasks. Being phased out but still widely used.

Input$0.500/M
Output$1.50/M
Context16K tokens
Best ForSimple chatbots, basic text generation
Benchmark40/100

Claude Sonnet 4 Lite

Anthropic

Lighter version of Claude Sonnet 4. Good balance of quality and cost for day-to-day coding.

Input$1.00/M
Output$5.00/M
Context200K tokens
Best ForDay-to-day coding, documentation, cost-conscious teams
Benchmark70/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkGPT-3.5 TurboClaude Sonnet 4 LiteLeader
Overall Score 40 70 Claude Sonnet 4 Lite leads by 30pts
SWE-bench Verified 32 64 Claude Sonnet 4 Lite leads by 32pts
LiveCodeBench 42 74 Claude Sonnet 4 Lite leads by 32pts
HumanEval 62 88 Claude Sonnet 4 Lite leads by 26pts
BigCodeBench 26 56 Claude Sonnet 4 Lite leads by 30pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioGPT-3.5 TurboClaude Sonnet 4 LiteSavings
Small Script (1K lines) $0.06 $0.21 GPT-3.5 Turbo saves $0.14 (70%)
Medium Feature (10K lines) $0.48 $1.55 GPT-3.5 Turbo saves $1.08 (69%)
Large Project (50K lines) $2.38 $7.76 GPT-3.5 Turbo saves $5.39 (69%)
Code Review (5K lines) $0.13 $0.40 GPT-3.5 Turbo saves $0.28 (69%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
GPT-3.5 Turbo 40 $0.013/pt Better value
Claude Sonnet 4 Lite 70 $0.014/pt Higher cost per point

GPT-3.5 Turbo delivers the best value at $0.013 per score point.

Strengths & Weaknesses

GPT-3.5 Turbo

  • + Ultra-cheap
  • + Very fast
  • - Basic coding only

Claude Sonnet 4 Lite

  • + Good value
  • + Strong coding
  • - Less capable than full Sonnet 4

Verdict

GPT-3.5 Turbo is cheaper at $0.500/M, but Claude Sonnet 4 Lite scores higher on benchmarks (70 vs 40).

Choose GPT-3.5 Turbo for cost-sensitive projects, Claude Sonnet 4 Lite when performance matters most.

Compare with Other Models