OpenAI o3 vs Llama 3.3 70B

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o3

OpenAI

Next generation reasoning model. Improved coding and math over o1.

Input$10.00/M
Output$40.00/M
Context200K tokens
Best ForAdvanced coding, complex problem-solving
Benchmark85/100

Llama 3.3 70B

Meta

Meta's open-weight 70B model. Strong coding and general capability, widely supported across AI platforms.

Input$0.250/M
Output$1.00/M
Context128K tokens
Best ForSelf-hosted deployments, cost-effective coding, custom fine-tuning

Cost Comparison by Scenario

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

ScenarioOpenAI o3Llama 3.3 70BSavings
Small Script (1K lines) $1.55 $0.04 Llama 3.3 70B saves $1.51 (98%)
Medium Feature (10K lines) $11.50 $0.29 Llama 3.3 70B saves $11.21 (98%)
Large Project (50K lines) $57.50 $1.44 Llama 3.3 70B saves $56.06 (98%)
Code Review (5K lines) $2.75 $0.07 Llama 3.3 70B saves $2.68 (98%)

Verdict

Llama 3.3 70B wins on both price and performance — $0.250/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models