# GPT-5.1-Codex-Max vs Kanana Nano

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

- Canonical page: https://benchlm.ai/compare/gpt-5-1-codex-max-vs-kanana-nano
- Last updated: September 21, 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 GPT-5.1-Codex-Max and Kanana Nano.

## Summary

- GPT-5.1-Codex-Max and Kanana Nano 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 | GPT-5.1-Codex-Max | Kanana Nano |
|----------|----------|----------|
| Creator | OpenAI | Kakao |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Non-Reasoning |
| Context | 400K | 64K |
| Independent public score (not head-to-head) | 52.68 | null |
| Benchmarks Covered | 2 | 0 |
| Pricing (input/output) | $1.25 / $10.00 | N/A |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- GPT-5.1-Codex-Max public-lane score: 50.7 (Estimated · #61/156)
- Kanana Nano public-lane score: Coming soon

| Benchmark | GPT-5.1-Codex-Max | Kanana Nano | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 22.17% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 83.6% | Coming soon | Coming soon |

## FAQ

### Can I compare GPT-5.1-Codex-Max and Kanana Nano 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

- [GPT-5.1-Codex-Max vs Kanana Essence](/compare/gpt-5-1-codex-max-vs-kanana-essence)
- [Kanana Nano vs Kanana Essence](/compare/kanana-essence-vs-kanana-nano)
- [GPT-5.1-Codex-Max vs Kanana Flag](/compare/gpt-5-1-codex-max-vs-kanana-flag)
- [Kanana Nano vs Kanana Flag](/compare/kanana-flag-vs-kanana-nano)

## Explore More

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