← comparisons · head to head
MiMo-V2.6 Pro vs GLM-5.3
Of the 3 public leaderboards that rate both, MiMo-V2.6 Pro scores higher on 1 and GLM-5.3 on 2. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, MiMo-V2.6 Pro is at 41.3 and GLM-5.3 at 46.7 (out of 100). On each maker's API, MiMo-V2.6 Pro costs $0.435 / $0.87 per 1M tokens (input / output) and GLM-5.3 $1.40 / $4.40.
Scores as published by each board; table composed November 13, 2026.
Get the next launch alert, free →
Leaderboard by leaderboard
| Board | MiMo-V2.6 Pro | GLM-5.3 | Higher |
|---|---|---|---|
| LMArena Elo (community votes) | 1,625 | 1,622.5 | MiMo-V2.6 Pro |
| Vals AI Vals Index accuracy % · weighted finance + coding tasks | 57.8 | 59.8 | GLM-5.3 |
| Artificial Analysis intelligence index · measured runs only | 29.9 | 31.7 | GLM-5.3 |
Raw scores are each board's own scale, so compare within a row, not across rows. Full table: the bench index.
For coding
On the ArtificialWatch coding index, MiMo-V2.6 Pro is at 66 (#15 of 48) and GLM-5.3 at 50.4 (#20). MiMo-V2.6 Pro scores higher on both coding boards that rate them.
| Coding board | MiMo-V2.6 Pro | GLM-5.3 |
|---|---|---|
| LMArena · Coding | 1,533.6 | 1,498.5 |
| Vals Vibe Code Bench | 85.2 | 78.1 |
MiMo-V2.6 Pro at a glance
- Developer
- Xiaomi
- Status
- Live since September 21, 2026
- API price
- $0.435 input / $0.87 output per 1M tokens · Xiaomi, mimo-v2.6-pro
- Context window
- 1.05M tokens
Live — our sweep read xiaomi/mimo-v2.6-pro at $0.43/$0.87 per 1M and mimo-v2.6-flash at $0.14/$0.28, both 1.05M ctx, on Sep 21; the Pro-UltraSpeed tier at $4.35/$8.70 the same hour, and a free Flash listing at 200k ctx the next morning · that it is the open-source MiMo-V2.6 release (Pro ~1.02T / Flash 309B, MIT, 7,000+ RL environments) announced Sep 22, and that Artificial Analysis scores Pro at 46 on its Intelligence Index, is search-grade, not our own reading.
GLM-5.3 at a glance
- Developer
- Zhipu AI
- Status
- Live since August 14, 2026
- API price
- $1.40 input / $4.40 output per 1M tokens · Z.AI, glm-5.3
- Context window
- 1M tokens
Live - same 743B base as 5.2, every gain from post-training · tops CyberGym · open weights on Hugging Face (zai-org/GLM-5.3, 141 safetensors files, public when we read it Sep 25; repo created Aug 25) · Anthropic research (Sep 29): builds end-to-end exploits near Claude Mythos Preview's rate (ExploitBench 50 of 410 vs 56 of 410), and its safeguards fell to simple bypasses 64-100% of the time · Epoch AI report (Oct 29): built one-click file-reading exploits for all six Firefox releases Sep 17-Oct 26 from published-but-unshipped fixes, about $1,000 each, with no refusals at any provider.
Epoch AI: open-weight GLM 5.3 built working Firefox exploits from security fixes that had not shipped yet, for about $1,000 each
2026-10-30 · An open-weight model can now turn browser security fixes that are public but not yet shipped into working exploits on its own, according to a report Epoch AI published October 29.
Anthropic: open-weights GLM-5.3 nearly matches Claude Mythos Preview at building exploits, and its safeguards are easy to strip
2026-09-29 · Anthropic published research on September 29 testing Z.ai's GLM-5.3, an open-weights model anyone can download, on offensive cyber tasks. Its finding: GLM-5.3 can build working end-to-end exploits at close to the rate of Claude Mythos Preview, the model Anthropic released only to vetted defenders.
MiMo-V2.6 Pro vs GLM-5.3: quick answers
Which is better, MiMo-V2.6 Pro or GLM-5.3?
It depends on what you measure. Of the 3 public leaderboards that rate both, MiMo-V2.6 Pro scores higher on 1 and GLM-5.3 on 2. MiMo-V2.6 Pro's widest lead is on LMArena; GLM-5.3's widest lead is on Vals AI. On the ArtificialWatch Index, which takes the median of each model's percentile across the boards that score it, MiMo-V2.6 Pro is at 41.3 and GLM-5.3 at 46.7 (out of 100).
Which is newer, MiMo-V2.6 Pro or GLM-5.3?
MiMo-V2.6 Pro. It went live on September 21, 2026, 38 days after GLM-5.3 (August 14, 2026).
Which is cheaper, MiMo-V2.6 Pro or GLM-5.3?
MiMo-V2.6 Pro is cheaper on both input and output. On each vendor's own API, MiMo-V2.6 Pro is $0.435 input / $0.87 output per million tokens and GLM-5.3 is $1.40 input / $4.40 output per million tokens. Prices as published in the models.dev catalog, as of 2026-11-12.
Which has the bigger context window, MiMo-V2.6 Pro or GLM-5.3?
MiMo-V2.6 Pro, at 1.05M tokens against GLM-5.3's 1M, as each vendor lists it.
How do MiMo-V2.6 Pro and GLM-5.3 compare for coding?
On the ArtificialWatch coding index, MiMo-V2.6 Pro is at 66 (#15 of 48) and GLM-5.3 at 50.4 (#20). MiMo-V2.6 Pro scores higher on both coding boards that rate them.
Who makes MiMo-V2.6 Pro and GLM-5.3?
MiMo-V2.6 Pro is from Xiaomi; GLM-5.3 is from Zhipu AI.
Where do these numbers come from?
Each score is the leaderboard's own published figure, read by ArtificialWatch (table composed November 13, 2026). Boards measure different things, so raw scores are only comparable within a row.
More comparisons
Hear when the next one drops. Free.
Free: a Chrome push and an email about 15 minutes after a new model answers on a public API. Members get a text or a phone call the moment a launch is confirmed.
- Free forever
- No card
- Unsubscribe in one click
Also: the bench index · API pricing · what a workload costs on each · the wire