# Cosmos3-Edge vs GPT-5.1-Codex-Max

> Side-by-side benchmark comparison for Cosmos3-Edge and GPT-5.1-Codex-Max across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/cosmos3-edge-vs-gpt-5-1-codex-max
- Last updated: September 4, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Cosmos3-Edge and GPT-5.1-Codex-Max.

## Summary

- Cosmos3-Edge and GPT-5.1-Codex-Max 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 | Cosmos3-Edge | GPT-5.1-Codex-Max |
|----------|----------|----------|
| Creator | NVIDIA | OpenAI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 400K |
| Independent public score (not head-to-head) | null | 53.96 |
| Benchmarks Covered | 0 | 1 |
| Pricing (input/output) | $0.00 / $0.00 | $1.25 / $10.00 |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Cosmos3-Edge public-lane score: Coming soon
- GPT-5.1-Codex-Max public-lane score: Coming soon

| Benchmark | Cosmos3-Edge | GPT-5.1-Codex-Max | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | Coming soon | 22.17% | Coming soon |

## FAQ

### Can I compare Cosmos3-Edge and GPT-5.1-Codex-Max 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

- [Cosmos3-Edge vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-cosmos3-edge)
- [GPT-5.1-Codex-Max vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-5-1-codex-max)
- [Cosmos3-Edge vs GPT-6 Astra](/compare/cosmos3-edge-vs-gpt-6-astra)
- [GPT-5.1-Codex-Max vs GPT-6 Astra](/compare/gpt-5-1-codex-max-vs-gpt-6-astra)

## Explore More

- [Cosmos3-Edge profile](/models/cosmos3-edge)
- [GPT-5.1-Codex-Max profile](/models/gpt-5-1-codex-max)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)