Compare · ModelsLive · 2 picked · head to head
GPT-6 Astra vs Step 3.5 Flash
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-6 Astra wins on 1/1 benchmarks
GPT-6 Astra wins 1 of 1 shared benchmarks. Leads in speed.
Category leads
speed·GPT-6 Astra
Hype vs Reality
Attention vs performance
GPT-6 Astra
#9 by perf·#1 by attention
Step 3.5 Flash
#8 by perf·no signal
Best value
Step 3.5 Flash
150.4x better value than GPT-6 Astra
GPT-6 Astra
2.6 pts/$
$30.00/M
Step 3.5 Flash
384.5 pts/$
$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 AstraStep 3.5 Flash
Artificial Analysis · Quality Index
GPT-6 Astra leads by +14.9
GPT-6 Astra
52.7
Step 3.5 Flash
37.8
Full benchmark table
| Benchmark | GPT-6 Astra | Step 3.5 Flash |
|---|---|---|
Artificial Analysis · Quality Index | 52.7 | 37.8 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $10.00 | $50.00 | 1.1M tokens (~525 books) | $200.00 | |
| $0.10 | $0.30 | 262K tokens (~131 books) | $1.50 |