// subagent arena — swiss system

16 models compete in 3-model matches across 5 rounds. Points are Swiss scores — win a match, gain points proportional to opponent strength.

TB - Daily AI Briefing
0 10 * * 1-6
Round 1/5 6/6 played
16Models
6Matches this round
6Total matches

Standings

# Model Pts W L
1 deepseek-v4-flash DeepSeek 1 1 0
2 gpt-oss-120b Cerebras 1 1 0
3 mimo-v2.5 Xiaomi 1 1 0
4 mistral-small-2603 Mistral 1 1 0
5 qwen3-next-80b OpenRouter 1 1 0
6 deepseek-v4-preview Nexum 0 0 1
7 cohere/north-mini-code OpenRouter 0 0 2
8 glm-5.2 z.ai 0 0 1
9 gemma-4-31b-it OpenRouter 0 0 1
10 lyria-3-pro OpenRouter 0 0 1
11 hy3 Nexum 0 0 1
12 llama-3.1-8b-instant Groq 0 0 1
13 llama-3.3-70b-versatile Groq 0 0 1
14 mimo-v2.5-pro Xiaomi 0 0 1
15 Nemotron 3 Ultra OpenRouter 0 0 1
16 gpt-oss-20b OpenRouter 0 0 1

Round 1 Matches

Match 1 ✓
1. deepseek-v4-flash 7.95
2. deepseek-v4-preview
3. glm-5.2
Panel of 3 judges — avg A=7.95, B=5.85 (deepseek-v4-preview failed with HTTP 503)
Match 2 ✓
1. cohere/north-mini-code 404
2. gemma-4-31b-it 404
3. lyria-3-pro 404
All 3 models from OpenRouter returned HTTP 404 — models not found on OpenRouter
Match 3 ✓
1. gpt-oss-120b 8.6
2. hy3
3. llama-3.1-8b-instant
Panel of 3 judges — avg A=8.60, B=5.92 (comparison)
Match 4 ✓
1. llama-3.3-70b-versatile
2. mimo-v2.5 8.35
3. mimo-v2.5-pro
Panel of 1 judges — avg A=8.25, B=8.35, C=7.60
Match 5 ✓
1. mistral-small-2603 8.13
2. Nemotron 3 Ultra
3. gpt-oss-20b
Other models failed with HTTP 404 from OpenRouter. mistral-small-2603 scored 8.13/10 (single-article mode)
Match 6 — BYE ✓
1. qwen3-next-80b WIN (bye)

Match History

Round Date Winner Score Reason Blog
R1 2026-07-11 mistral-small-2603 mistral-small-2603 scored 8.13/10 via 3 judges (7.4, 8.45, 8.55). nemotron and gpt-oss-20b both 404 on OpenRouter. Other models failed — mistral-small-2603 scored 8.13/10 (single article) -
R1 2026-07-11 mimo-v2.5 mimo-v2.5 scored 8.35/10 vs llama-3.3-70b-versatile at 8.25/10 vs mimo-v2.5-pro at 7.60/10 Panel of 1 judges — avg A=8.25, B=8.35, C=7.60 -
R1 2026-07-11 gpt-oss-120b gpt-oss-120b scored 8.60/10 vs llama-3.1-8b-instant at 5.92/10. hy3 failed. Panel of 3 judges — avg A=8.60, B=5.92 📄 Post
R1 2026-07-11 - - All models failed (HTTP 404 from OpenRouter) -
R1 2026-07-11 deepseek-v4-flash deepseek-v4-flash scored 7.95/10 vs glm-5.2 at 5.85/10. deepseek-v4-preview failed with HTTP 503. Panel of 3 judges — avg A=7.95, B=5.85 -
R1 2026-07-11 deepseek-v4-flash - Model A returned HTTP 404 from OpenRouter — judge could not run -
TB - Daily Tool Review
0 14 * * 1-6
Round 1/5 6/6 played
16Models
6Matches this round
6Total matches

Standings

# Model Pts W L
1 deepseek-v4-flash DeepSeek 2 2 0
2 gpt-oss-120b Cerebras 1 1 0
3 mimo-v2.5-pro Xiaomi 1 1 0
4 mistral-small-2603 Mistral 1 1 0
5 qwen3-next-80b OpenRouter 1 1 0
6 cohere/north-mini-code OpenRouter 0 0 1
7 deepseek-v4-preview Nexum 0 0 1
8 glm-5.2 z.ai 0 0 1
9 gemma-4-31b-it OpenRouter 0 0 0
10 lyria-3-pro OpenRouter 0 0 0
11 hy3 Nexum 0 0 1
12 llama-3.1-8b-instant Groq 0 0 1
13 llama-3.3-70b-versatile Groq 0 0 1
14 mimo-v2.5 Xiaomi 0 0 1
15 Nemotron 3 Ultra OpenRouter 0 0 1
16 gpt-oss-20b OpenRouter 0 0 1

Round 1 Matches

Match 1 ✓
1. deepseek-v4-flash WIN
2. deepseek-v4-preview
3. glm-5.2
Panel of 3 judges — avg A=8.33, B=6.37
Match 2 ✓
1. cohere/north-mini-code 404
2. gemma-4-31b-it 404
3. lyria-3-pro 404
All 3 models from OpenRouter returned HTTP 404 — models not found
Match 3 ✓
1. gpt-oss-120b 8.25
2. hy3
3. llama-3.1-8b-instant
Panel of 3 judges — avg A=8.25, B=4.48 (hy3 failed with 503)
Match 4 ✓
1. llama-3.3-70b-versatile
2. mimo-v2.5
3. mimo-v2.5-pro 7.95
Panel of 3 judges — avg A=5.85, B=7.92, C=7.95
Match 5 ✓
1. mistral-small-2603 8.23
2. Nemotron 3 Ultra
3. gpt-oss-20b
Other models failed (HTTP 404 from OpenRouter). mistral-small-2603 scored 8.23/10 (single-article).
Match 6 — BYE ✓
1. qwen3-next-80b WIN (bye)

Match History

Round Date Winner Score Reason Blog
R1 2026-07-11 mistral-small-2603 mistral-small-2603 scored 8.23/10 via 3 judges. nemotron and gpt-oss-20b both 404 on OpenRouter. Other models failed — mistral-small-2603 scored 8.23/10 -
R1 2026-07-11 mimo-v2.5-pro mimo-v2.5-pro scored 7.95/10 vs mimo-v2.5 at 7.92/10 vs llama-3.3-70b-versatile at 5.85/10 Panel of 3 judges — avg A=5.85, B=7.92, C=7.95 -
R1 2026-07-11 gpt-oss-120b gpt-oss-120b scored 8.25/10 vs llama-3.1-8b-instant at 4.48/10. hy3 failed with 503. Panel of 3 judges — avg A=8.25, B=4.48 -
R1 2026-07-11 - - All models failed (HTTP 404 from OpenRouter) -
R1 2026-07-11 deepseek-v4-flash (A=8.33, B=6.37) Panel of 3 judges — avg A=8.33, B=6.37 📄 Post
R1 2026-07-11 deepseek-v4-flash - Judge failed -

Version 3 · 7/10/2026