Compare / EXAONE 4.0 32B vs OLMo 3.1 32B Think

EXAONE 4.0 32B vs OLMo 3.1 32B Think

Updated November 2026

Verdict

EXAONE 4.0 32B scores higher on the Small LM Index: 62.0 vs 57.0, although their likely ranges overlap, so the lead is not certain. On the 5 benchmarks both labs report, EXAONE 4.0 32B wins 3 and OLMo 3.1 32B Think wins 2. Both need about 22 GB of memory at 4-bit quantization. Neither model has a hosted API on OpenRouter, so you would run both yourself.

Pick EXAONE 4.0 32B if…

  • you want the strongest model overall
  • you need math and reasoning
  • you work with long documents

Pick OLMo 3.1 32B Think if…

  • you mostly write code
  • you need precise instruction following
  • you need a permissive license (Apache-2.0)

Specifications

EXAONE 4.0 32BOLMo 3.1 32B Think
Small LM Index62.0 (likely 59–65)57.0 (likely 53–61)
LabLG AI Research (EXAONE) · Rest of AsiaAi2 (OLMo) · United States
Released2025-07-152025-12-10
Parameters32B (dense)32.2B (dense)
Memory at 4-bit~21.9 GB~22 GB
Context window131K tokens64K tokens
Inputtexttext
ReasoningHybrid (thinking on/off)Always thinks
LicenseEXAONE License (non-commercial)Apache-2.0
API price / 1M tokensSelf-host onlySelf-host only
Hugging Face downloads (30 days)14.8K6.9K

Benchmarks

Higher is better. Bold marks the winner where both labs report a score. ≈ marks the index model's estimate for a score that wasn't reported, ✓ an independent measurement and * a score measured by another lab.

BenchmarkEXAONE 4.0 32BOLMo 3.1 32B Think
MMLU-Pro Knowledge81.8≈ 77
GPQA Diamond Knowledge75.457.5
AIME Math85.378.1
LiveCodeBench Coding66.783.3
IFBench Instruction following—68.1
MMLU Knowledge92.386.4
Multilingual MMLU Multilingual85.6—
IFEval Instruction following83.793.8
BFCL Agentic63.9—
HMMT Math72.9—

Scores are mostly reported by each lab with its own settings, so small gaps are noise. See the methodology. Open in the interactive comparison to add more models.

Questions

Which is better, EXAONE 4.0 32B or OLMo 3.1 32B Think?

EXAONE 4.0 32B scores higher on the Small LM Index: 62.0 vs 57.0, although their likely ranges overlap, so the lead is not certain. On the 5 benchmarks both labs report, EXAONE 4.0 32B wins 3 and OLMo 3.1 32B Think wins 2.

Which is cheaper to run?

Neither model has a hosted API on OpenRouter, so you would run both yourself. Both need about 22 GB of memory at 4-bit quantization.

Which has the longer context window?

EXAONE 4.0 32B has the longer context window: 131K tokens against 64K.

Can I use EXAONE 4.0 32B and OLMo 3.1 32B Think commercially?

EXAONE 4.0 32B is released under EXAONE License (non-commercial) and OLMo 3.1 32B Think under Apache-2.0. Apache 2.0 and MIT allow commercial use; other licenses can add conditions, so read the license before shipping a product.

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