Which AI model scores highest on SWE-Bench Multilingual?

Claude Opus 5 by Anthropic holds the best SWE-Bench Multilingual result among tracked models, at 89.5% (released Jul 24 2026). Higher scores are better on this benchmark.

What are the top 5 models on SWE-Bench Multilingual?

1. Claude Opus 5 (Anthropic) — 89.5%; 2. Claude Fable 5.1 (Anthropic) — 89.1%; 3. Claude Fable 5 (Anthropic) — 86.6%; 4. Claude Opus 4.8 (Anthropic) — 84.4%; 5. Qwen3.8-Flash-Next (Qwen) — 81%.

How many models have a published SWE-Bench Multilingual score?

14 tracked models have a published SWE-Bench Multilingual score. Scores are collected from published lab reports and benchmark sources, with recorded sources credited alongside the results. We do not re-run the evaluations.

What is the best open model on SWE-Bench Multilingual?

Qwen3.8-Flash-Next by Qwen is the highest-ranked model with downloadable weights on SWE-Bench Multilingual, scoring 81% at rank 5 overall.

Multilingual coding

SWE-Bench Multilingual

Like SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better.

Rankings

Higher is better

SWE-Bench Multilingual — frequently asked questions

: Like SWE-Bench, but the coding problems span many programming languages, not just one. Tests how broadly the AI can code. Higher is better.
: Claude Opus 5 by Anthropic holds the best SWE-Bench Multilingual result among tracked models, at 89.5% (released Jul 24 2026). Higher scores are better on this benchmark.
: 1. Claude Opus 5 (Anthropic) — 89.5%; 2. Claude Fable 5.1 (Anthropic) — 89.1%; 3. Claude Fable 5 (Anthropic) — 86.6%; 4. Claude Opus 4.8 (Anthropic) — 84.4%; 5. Qwen3.8-Flash-Next (Qwen) — 81%.
: 14 tracked models have a published SWE-Bench Multilingual score. Scores are collected from published lab reports and benchmark sources, with recorded sources credited alongside the results. We do not re-run the evaluations.
: Qwen3.8-Flash-Next by Qwen is the highest-ranked model with downloadable weights on SWE-Bench Multilingual, scoring 81% at rank 5 overall.