Compare · ModelsLive · 2 picked · head to head
GPT-6.1 Sol vs Step 3.5 Flash
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-6.1 Sol wins on 1/1 benchmarks
GPT-6.1 Sol wins 1 of 1 shared benchmarks. Leads in speed.
Category leads
speed·GPT-6.1 Sol
Hype vs Reality
Attention vs performance
GPT-6.1 Sol
#6 by perf·#2 by attention
Step 3.5 Flash
#9 by perf·no signal
Best value
Step 3.5 Flash
28.7x better value than GPT-6.1 Sol
GPT-6.1 Sol
13.4 pts/$
$6.00/M
Step 3.5 Flash
384.5 pts/$
$0.20/M
Vendor risk
Mixed exposure
One or more vendors flagged
OpenAI
$840.0B·Tier 1
StepFun
$5.0B·Tier 1
Head to head
1 benchmark · 2 models
GPT-6.1 SolStep 3.5 Flash
Artificial Analysis · Quality Index
GPT-6.1 Sol leads by +14.0
GPT-6.1 Sol
51.8
Step 3.5 Flash
37.8
Full benchmark table
| Benchmark | GPT-6.1 Sol | Step 3.5 Flash |
|---|---|---|
Artificial Analysis · Quality Index | 51.8 | 37.8 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $2.00 | $10.00 | 1.1M tokens (~525 books) | $40.00 | |
| $0.10 | $0.30 | 262K tokens (~131 books) | $1.50 |