# Gemini Decision 1 vs GPT-5 (medium)

> Side-by-side benchmark comparison for Gemini Decision 1 and GPT-5 (medium) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gemini-decision-1-vs-gpt-5-medium
- Last updated: November 11, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Gemini Decision 1 and GPT-5 (medium).

## Summary

- Gemini Decision 1 and GPT-5 (medium) do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Gemini Decision 1 | GPT-5 (medium) |
|----------|----------|----------|
| Creator | Google | OpenAI |
| Type | Proprietary | Proprietary |
| Reasoning | Unspecified | Reasoning |
| Context | 262K | 128K |
| Independent public score (not head-to-head) | null | 45.96 |
| Benchmarks Covered | 0 | 0 |
| Pricing (input/output) | $0.10 / $0.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Gemini Decision 1 public-lane score: Coming soon
- GPT-5 (medium) public-lane score: 34.3 (Estimated · #91/158)

### Reasoning

- Winner: Insufficient shared evidence
- Gemini Decision 1 public-lane score: Coming soon
- GPT-5 (medium) public-lane score: 39.3 (Estimated · #84/158)

### Knowledge

- Winner: Insufficient shared evidence
- Gemini Decision 1 public-lane score: Coming soon
- GPT-5 (medium) public-lane score: 48.1 (Estimated · #88/179)

### Instruction Following

- Winner: Insufficient shared evidence
- Gemini Decision 1 public-lane score: Coming soon
- GPT-5 (medium) public-lane score: 86.4 (#46/157)

## FAQ

### Can I compare Gemini Decision 1 and GPT-5 (medium) on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Gemini Decision 1 vs GPT-5 mini](/compare/gemini-decision-1-vs-gpt-5-mini)
- [GPT-5 (medium) vs GPT-5 mini](/compare/gpt-5-medium-vs-gpt-5-mini)
- [Gemini Decision 1 vs GPT-5 nano](/compare/gemini-decision-1-vs-gpt-5-nano)
- [GPT-5 (medium) vs GPT-5 nano](/compare/gpt-5-medium-vs-gpt-5-nano)

## Explore More

- [Gemini Decision 1 profile](/models/gemini-decision-1)
- [GPT-5 (medium) profile](/models/gpt-5-medium)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)