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?

19 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

Nemotron 3.5 Super VLOW

DeepSeek V3.1 Terminus

57.8%

Devstral Small 2 (24B)

55.7%

Nemotron 3 SuperOW

45.78%

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%.
: 19 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.