Model Comparison

Olmo 3 32B Think
vs. Step 3.5 Flash

Comparing 2 AI models · 10 benchmarks · Allen Institute for AI, StepFun

Recommended Pick

StepFun logoStep 3.5 Flash9 metric wins

Strongest on: Throughput, Intelligence, GPQA

Lowest Price

Allen Institute for AI logo

Olmo 3 32B Think

$0.00/1M input price

Best Reasoning

Allen Institute for AI logo

Olmo 3 32B Think

44.1 reasoning score

Blends available reasoning benchmarks

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Price gap

Olmo 3 32B Think is ∞x cheaper on input tokens than Step 3.5 Flash.

Reasoning gap

Olmo 3 32B Think leads Step 3.5 Flash by 1.6 points on reasoning.

Top-pick rationale

Step 3.5 Flash wins 9 measurable categories, including Throughput, Intelligence, GPQA, HLE.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

Allen Institute for AI logo

Olmo 3 32B Think

Allen Institute for AI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
StepFun logo

Step 3.5 Flash

StepFun

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

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Full Comparison

Metric
Allen Institute for AI logoOlmo 3 32B Think
Allen Institute for AI
Top Pick
StepFun logoStep 3.5 Flash
StepFun
Pricing per 1M tokens
Input Cost$0.00/1M$0.10/1M
Output Cost$0.00/1M$0.30/1M
Blended (3:1)$0.15/1M
Specifications
OrganizationAllen Institute for AIStepFun
Release DateNov 20, 2025Feb 2, 2026
Performance & Speed
Throughput202.4 tok/s
TTFT788ms
Latency10671ms
Composite Indices
Value Score100.0
Reasoning Score44.142.6
Intelligence6.425.5
Math73.7
Standard Benchmarks
GPQA61.0%83.1%
MMLU Pro75.9%
HLE5.9%19.1%
LiveCodeBench67.2%
AIME 202573.7%
SciCode28.6%40.4%
LCR0.0%43.0%
IFBench49.1%64.6%
TAU-bench v20.0%94.4%
TerminalBench Hard1.5%27.3%

Key Takeaways

Olmo 3 32B Think offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.

Olmo 3 32B Think has the strongest reasoning profile with a 44.1 reasoning score,combining the available reasoning-heavy benchmarks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

Allen Institute for AI logo

Olmo 3 32B Think

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
StepFun logo

Step 3.5 Flash

  • General-purpose AI
  • Versatile applications