AI Models · Open-Source vs Open-Source

GLM 5.3 (batch) Open vs Mistral Medium 3.5 Open

GLM 5.3 (batch) vs Mistral Medium 3.5 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 5.3 (batch)OpenZ.AI

$0.45 /M input
$2 /M outputNo per-token fees if you self-host

TypeOpen-weight

Context window1M tokens

MultimodalNo

Self-hostYes

Mistral Medium 3.5OpenMistral AI

$1.5 /M input
$7.5 /M outputNo per-token fees if you self-host

TypeOpen-weight

Context window262K tokens

MultimodalYes

Self-hostYes

Choose GLM 5.3 (batch) for the lower output price ($2/M vs $7.5/M). It also gives you the larger 1M context window.

GLM 5.3 (batch) vs Mistral Medium 3.5 specs

Spec	GLM 5.3 (batch)	Mistral Medium 3.5	Winner
Maker	Z.AI	Mistral AI	–
Type	Open-weight	Open-weight	–
Context window	1M tokens	262K tokens	GLM 5.3 (batch)
Input price	$0.45/M · free self-host	$1.5/M · free self-host	GLM 5.3 (batch)
Output price	$2/M · free self-host	$7.5/M · free self-host	GLM 5.3 (batch)
Vision / multimodal	No	Yes	Mistral Medium 3.5
Tool / function calling	Yes	Yes	= Tie
Self-hostable	Yes	Yes	= Tie
License	MIT	Apache 2.0	–

Price gap & when to choose each

3.8×cheaper per output token

GLM 5.3 (batch) is ~3.8× cheaper than Mistral Medium 3.5 on output tokens ($2 vs $7.5 per M tokens).

Choose GLM 5.3 (batch) if…

You want to self-host or run on your cloud
You need the longer 1M context window
You prioritize data privacy & control
You want the lowest operating costs
You are building open or reproducible AI

Choose Mistral Medium 3.5 if…

You want to self-host or run on your cloud
You prioritize data privacy & control
You are building open or reproducible AI

Feature comparison

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

Benchmarks: GLM 5.3 (batch) vs Mistral Medium 3.5

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

GLM 5.3 (batch)

Mistral Medium 3.5

Intelligence index

31.7

–

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

83.6 tok/s

165.5 tok/s

Latency

2.4s

0.84s

Intelligence per $

14.7

–

Benchmark data by Artificial Analysis.

How GLM 5.3 (batch) and Mistral Medium 3.5 score

🤝 Neck and neck on these criteria (4.6 vs 4.6 / 5).

Criterion	GLM 5.3 (batch)	Mistral Medium 3.5
Cost-efficiency	4.5	4.0
Context window	5.0	4.0
Openness	5.0	5.0
Self-hosting	5.0	5.0
Multimodality	3.5	5.0

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 (batch) 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 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 5.3GLM 5.3 PrimeGLM 5.2GLM 5.1GLM 5 TurboGLM 5V TurboGLM 5GLM 4.6GLM 4.5GLM 4.7GLM 4.5VGLM 5.3 FlashXGLM 4.6VGLM 4.5 AirGLM 4.7 FlashGLM 5.3 Flash (batch)GLM 5.3 Flash

Other variants tracked

Mistral Large 4Mistral LargeMistral Large 2407Mixtral 8x22B InstructMistral Medium 3.5 (batch)Mistral Medium 3.1Devstral 2 2512Mistral Medium 3Mistral Large 3 2512UncensoredCodestral 2508Mistral Small 4SabaMistral Small 3.1 24BVoxtral Small 24B 2507Mistral Small 3.2 24BMinistral 3 14B 2512Ministral 3 8B 2512Ministral 3 3B 2512Mistral Small 3Mistral Nemo

Frequently asked questions

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

GLM 5.3 (batch) is cheaper on output ($2/M vs $7.5/M).

Which has the larger context window?

GLM 5.3 (batch) offers the larger context window (1M tokens).

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

Choose GLM 5.3 (batch) for the lower output price ($2/M vs $7.5/M). It also gives you the larger 1M context window.

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