Use Gemini 2.0 Flash (google/gemini-2.0-flash-001).
GPT-5 Mini is overkill here.
~8.3× cheaper per run.
Which AI model should you use to summarize a pull request?
Why ->
This task is bounded and predictable, so a smaller model handles it without leaving quality on the table. Reaching for a larger tier here adds cost faster than it improves the output.
Cost breakdown
| Model | Provider | Tier | Input cost | Output cost | Est. / 1k calls |
|---|---|---|---|---|---|
| Gemini 2.0 Flash google/gemini-2.0-flash-001 | Routine | $0.000100 | $0.000400 | $0.15 | |
| GPT-5 Mini openai/gpt-5-mini | Openai | Moderate | $0.000250 | $0.002000 | $1.25 |
Matched signals
- summarize
- sum
This recommendation is based on the task description alone. If you are attaching a large codebase, mention it in the input above.
Model pricing: OpenRouter model catalog, retrieved April 17, 2026. Classification: rightmodel ruleset v2.
Related tasks
Summarize Meeting Notes for Developers
RoutineTurn rough meeting notes into action items, decisions, and open questions for the team.
Use Gemini 2.0 Flash.
Explain Code to Non Technical Users
RoutineRewrite technical code behaviour in plain language for teammates, clients, or stakeholders.
Use Gemini 2.0 Flash.
Review a Pull Request for Security
DeepReview a code change for auth gaps, injection risks, data exposure, and unsafe assumptions.
Use o3.