OpenAI o4-mini vs Reka Core

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o4-mini

OpenAI

Updated mini reasoning model. Similar pricing to o3-mini with updated capabilities.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForGeneral reasoning, coding tasks
Benchmark72/100

Reka Core

Reka

Reka's flagship multimodal model. Strong image and video understanding with multilingual support.

Input$1.00/M
Output$2.50/M
Context128K tokens
Best ForImage/video analysis, multilingual applications

Cost Comparison by Scenario

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

ScenarioOpenAI o4-miniReka CoreSavings
Small Script (1K lines) $0.17 $0.11 Reka Core saves $0.06 (35%)
Medium Feature (10K lines) $1.27 $0.85 Reka Core saves $0.42 (33%)
Large Project (50K lines) $6.33 $4.25 Reka Core saves $2.08 (33%)
Code Review (5K lines) $0.30 $0.24 Reka Core saves $0.07 (21%)

Verdict

Reka Core wins on both price and performance — $1.00/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