SWE-bench Multilingual
16 models tested · Updated 2026-04-07 · Verified sources only
Claude Mythos Preview leads at 87.3%
1
Anthropic · Blog/Anthropic · 2026-04-07
Tests code across multiple programming languages. 9.5 pts ahead of Opus 4.6 (77.8%).
87.3%
2
Anthropic · Blog/Anthropic · 2026-04-16
Up 7.9pp from Opus 4.6 (77.8%). Strong multilingual coding performance.
85.7%
3
Anthropic · Blog/Anthropic · 2026-04-07
Comparison score from Mythos Glasswing announcement.
77.8%
4
Moonshot AI · HuggingFace/moonshotai · 2026-04-20
Strong multilingual coding. Nearly matches Opus 4.6 (77.8%) on this benchmark.
76.7%
5
MiniMax · Blog/MiniMax · 2026-03-18
Strong multilingual coding. Outperforms many larger models on real-world engineering tasks.
76.5%
6
DeepSeek · DeepSeek/HuggingFace · 2026-04-24
Max reasoning. Below Opus 4.6 (77.5) leader.
76.2%
7
Kuaishou · arxiv/2603.27703 · 2026-03-29
Strong multilingual coding on Claude Code scaffold. Part of Specialize-then-Unify agentic coding paradigm.
75.4%
8
DeepSeek · HuggingFace/deepseek-ai · 2026-04-24
Strong multilingual coding for 13B activated.
73.3%
9
Moonshot AI · HF/moonshotai · 2026-01-27
Cited in Kimi K2.6 model card (predecessor model).
73.0%
10
Xiaomi · HuggingFace/XiaomiMiMo-MiMo-V2-Flash · 2026-01-06
SWE-bench Multilingual.
71.7%
11
Alibaba · HuggingFace/Qwen · 2026-04-22
Strong multilingual coding for 27B dense.
71.3%
12
Alibaba · HuggingFace/Qwen · 2026-04-16
MoE model with strong multilingual coding. Beats Gemma 4 31B (51.7%).
67.2%
13
Qwen · arxiv/2603.00729 · 2026-02-28
80B MoE with 3B active params; competitive with models 10x larger on multilingual SWE tasks via OpenHands.
64.3%
14
Google · HuggingFace/Qwen · 2026-04-02
Multilingual SWE performance. Significantly below Qwen 3.6 35B-A3B (67.2).
51.7%
15
NVIDIA · arxiv/2604.01496 · 2026-04-02
Zero-shot transfer to non-Python languages despite being trained exclusively on Python trajectories.
44.1%
16
Google · HuggingFace/Qwen · 2026-04-18
MoE 4B active/26B total. Low multilingual coding score.
17.3%