Claude 3 Sonnet vs Claude Sonnet 4 Lite
Performance benchmarks + pricing comparison — updated April 2026
Claude 3 Sonnet
AnthropicFirst generation Sonnet. Balanced performance for general tasks.
| Input | $3.00/M |
| Output | $15.00/M |
| Context | 200K tokens |
| Best For | General-purpose coding and reasoning |
| Benchmark | 65/100 |
Claude Sonnet 4 Lite
AnthropicLighter version of Claude Sonnet 4. Good balance of quality and cost for day-to-day coding.
| Input | $1.00/M |
| Output | $5.00/M |
| Context | 200K tokens |
| Best For | Day-to-day coding, documentation, cost-conscious teams |
| Benchmark | 70/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | Claude 3 Sonnet | Claude Sonnet 4 Lite | Leader |
|---|---|---|---|
| Overall Score | 65 | 70 | Claude Sonnet 4 Lite leads by 5pts |
| SWE-bench Verified | 58 | 64 | Claude Sonnet 4 Lite leads by 6pts |
| LiveCodeBench | 68 | 74 | Claude Sonnet 4 Lite leads by 6pts |
| HumanEval | 85 | 88 | Claude Sonnet 4 Lite leads by 3pts |
| BigCodeBench | 50 | 56 | Claude Sonnet 4 Lite leads by 6pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Claude 3 Sonnet | Claude Sonnet 4 Lite | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.55 | $0.21 | Claude Sonnet 4 Lite saves $0.35 (63%) |
| Medium Feature (10K lines) | $4.05 | $1.55 | Claude Sonnet 4 Lite saves $2.50 (62%) |
| Large Project (50K lines) | $20.25 | $7.76 | Claude Sonnet 4 Lite saves $12.49 (62%) |
| Code Review (5K lines) | $0.90 | $0.40 | Claude Sonnet 4 Lite saves $0.50 (55%) |
Value Analysis (Price per Benchmark Score Point)
Lower is better — how much you pay for each point of benchmark performance.
| Model | Overall Score | Price per Score Point | Verdict |
|---|---|---|---|
| Claude 3 Sonnet | 65 | $0.046/pt | Higher cost per point |
| Claude Sonnet 4 Lite | 70 | $0.014/pt | Better value |
Claude Sonnet 4 Lite delivers the best value at $0.014 per score point.
Strengths & Weaknesses
Claude 3 Sonnet
- + Reliable
- + Good value
- - Two generations behind
Claude Sonnet 4 Lite
- + Good value
- + Strong coding
- - Less capable than full Sonnet 4
Verdict
Claude Sonnet 4 Lite wins on both price and performance — $1.00/M input with a benchmark score of 70/100.
For most developers, this is the clear choice between these two models.
Compare with Other Models
Claude Sonnet 4
AnthropicAnthropic's balanced model for coding and general tasks. Best price-performance ratio in the Claude family.
Claude Opus 4
AnthropicAnthropic's most powerful model. Best for complex reasoning and challenging coding tasks.
Claude 3.5 Sonnet
AnthropicPrevious generation Sonnet. Still excellent for coding tasks at the same price point.
Claude 3.5 Haiku
AnthropicFast, cost-effective model for high-volume tasks. Great for code review and simple queries.
Claude 3 Opus
AnthropicFirst generation Opus. Highest reasoning capability in the Claude 3 family.
Claude 3 Haiku
AnthropicCheapest Claude model. Fast responses for simple tasks and basic coding.