AI Models · Open-Source vs Open-Source

GLM 5.3 Open vs Mistral Medium 3.5 (batch) Open

GLM 5.3 vs Mistral Medium 3.5 (batch) compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.

Prices & specs refreshed from live data · olud.ai

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

GLM 5.3OpenZ.AI
$1.4 /M input
$4.4 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window1.3M tokens
MultimodalNo
Self-hostYes
Mistral Medium 3.5 (batch)OpenMistral AI
$0.75 /M input
$3.75 /M outputNo per-token fees if you self-host
TypeOpen-weight
Context window262K tokens
MultimodalYes
Self-hostYes
Choose Mistral Medium 3.5 (batch) for the lower output price ($3.75/M vs $4.4/M). Choose GLM 5.3 if you need the larger 1.3M context window.

GLM 5.3 vs Mistral Medium 3.5 (batch) specs

SpecGLM 5.3Mistral Medium 3.5 (batch)Winner
MakerZ.AIMistral AI–
TypeOpen-weightOpen-weight–
Context window1.3M tokens262K tokensGLM 5.3
Input price$1.4/M · free self-host$0.75/M · free self-hostMistral Medium 3.5 (batch)
Output price$4.4/M · free self-host$3.75/M · free self-hostMistral Medium 3.5 (batch)
Vision / multimodalNoYesMistral Medium 3.5 (batch)
Tool / function callingYesYes= Tie
Self-hostableYesYes= Tie
LicenseMITApache 2.0–

Price gap & when to choose each

Choose GLM 5.3 if…
  • You want to self-host or run on your cloud
  • You need the longer 1.3M context window
  • You prioritize data privacy & control
  • You are building open or reproducible AI
Choose Mistral Medium 3.5 (batch) if…
  • You want to self-host or run on your cloud
  • You prioritize data privacy & control
  • You want the lowest operating costs
  • You are building open or reproducible AI

Feature comparison

CapabilityGLM 5.3Mistral Medium 3.5 (batch)
Open weights (downloadable)✓✓
Self-hostable✓✓
Runs fully offline✓✓
Vision / multimodal✗✓
Tool / function calling✓✓
1M+ context window✓✗

Benchmarks: GLM 5.3 vs Mistral Medium 3.5 (batch)

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

GLM 5.3 delivers 4.2× more intelligence per dollar.
GLM 5.3
Mistral Medium 3.5 (batch)
Intelligence index
44.9
14.9
Coding index
74.8
46.9
GPQA
91.7%
74.8%
Humanity's Last Exam
42.3%
13.8%
Long Context Reasoning
79.7%
69.3%
SciCode
59%
40.2%
τ-Bench Banking
50.3%
15.1%
Terminal-Bench
83.9%
50.6%
IFBench
–
68.8%
τ²-Bench
–
94.2%
Terminal-Bench Hard
–
33.3%
Speed
54.8 tok/s
142.2 tok/s
Latency
3.57s
0.74s
Intelligence per $
20.9
5

Benchmark data by Artificial Analysis.

How GLM 5.3 and Mistral Medium 3.5 (batch) score

🤝 Neck and neck on these criteria (4.5 vs 4.6 / 5).
CriterionGLM 5.3Mistral Medium 3.5 (batch)
Cost-efficiency4.04.0
Context window5.04.0
Openness5.05.0
Self-hosting5.05.0
Multimodality3.55.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

GLM 5.3 Open

Z.AI · Open-weight

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...

Mistral Medium 3.5 (batch) Open

Mistral AI · Open-weight

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
GLM 5.3 (batch)GLM 5.3 FlashGLM 5.3 Flash (batch)GLM 5.2 (batch)GLM 5.2GLM 5GLM 5 TurboGLM 5.1GLM 5V TurboGLM 4.7GLM 4.6GLM 4.7 FlashGLM 4.5GLM 4.5 AirGLM 4.6VGLM 4.5V
Other variants tracked
Mistral Medium 3.5Mistral Small 4Mistral Small 4 (batch)Mistral Medium 3.1Mistral Medium 3.1 (batch)Mistral Large 3 2512Mistral Large 3 2512 (batch)Devstral 2 2512Mistral Medium 3Mistral Small 3.1 24BMistral Small 3.2 24BMistral LargeMistral Large 2407Mistral Small 3SabaMinistral 3 14B 2512Mixtral 8x22B InstructMinistral 3 8B 2512Ministral 3 8B 2512 (batch)Ministral 3 3B 2512UncensoredCodestral 2508Codestral 2508 (batch)Voxtral Small 24B 2507Mistral Nemo

Frequently asked questions

GLM 5.3 vs Mistral Medium 3.5 (batch) — which is cheaper?

Mistral Medium 3.5 (batch) is cheaper on output ($3.75/M vs $4.4/M).

Which has the larger context window?

GLM 5.3 offers the larger context window (1.3M tokens).

GLM 5.3 vs Mistral Medium 3.5 (batch) — which should I pick in 2026?

Choose Mistral Medium 3.5 (batch) for the lower output price ($3.75/M vs $4.4/M). Choose GLM 5.3 if you need the larger 1.3M context window.

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