Key Takeaways
Molmo 2 4B wins:
- Cheaper output tokens
Olmo 3.1 32B Instruct wins:
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
Price Advantage
Molmo 2 4B
Benchmark Advantage
Olmo 3.1 32B Instruct
Context Window
Olmo 3.1 32B Instruct
Speed
Olmo 3.1 32B Instruct
Pricing Comparison
Price Comparison
| Metric | Molmo 2 4B | Olmo 3.1 32B Instruct | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $0.20 | $0.20 | Tie |
| Output (per 1M tokens) | $0.20 | $0.60 | Molmo 2 4B |
| Cache Read (per 1M) | $0.10 | N/A | Molmo 2 4B |
Using a 3:1 input/output ratio, Molmo 2 4B is 33% cheaper overall.
Molmo 2 4B Providers
No provider data available
Olmo 3.1 32B Instruct Providers
No provider data available
Benchmark Comparison
3
Benchmarks Compared
0
Molmo 2 4B Wins
0
Olmo 3.1 32B Instruct Wins
Benchmark Scores
| Benchmark | Molmo 2 4B | Olmo 3.1 32B Instruct | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | - | 12.2 | - |
Coding Index Code generation & understanding | - | 5.6 | - |
GPQA Graduate-level science | - | 53.9 | - |
Olmo 3.1 32B Instruct significantly outperforms in coding benchmarks.
Cost vs Quality
X-axis:
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Other models
Context & Performance
Context Window
Molmo 2 4B
N/A
tokens
Olmo 3.1 32B Instruct
65,536
tokens
Speed Performance
| Metric | Molmo 2 4B | Olmo 3.1 32B Instruct | Winner |
|---|---|---|---|
| Tokens/second | N/A | 53.4 tok/s | |
| Time to First Token | N/A | 0.25s |
Capabilities
Feature Comparison
| Feature | Molmo 2 4B | Olmo 3.1 32B Instruct |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Molmo 2 4B | Olmo 3.1 32B Instruct |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Allenai | Allenai |
| Released | Unknown | Jan 2026 |
Molmo 2 4B Modalities
Input
Output
Olmo 3.1 32B Instruct Modalities
Input
text
Output
text