Yes. Different companies offer different "metal" levels of plans (Bronze, Silver, Gold, or Platinum). You must decide which plan is right for your budget and health needs.
Bronze plans generally have the lowest monthly premiums but highest out-of-pocket expenses. You might choose it for the low premiums, but have high out-of-pocket costs and you do not qualify for cost-sharing reductions. See above.
The Silver plan may be better for you. Out-of-pocket expenses are lower. You can get tax credits and cost-sharing reductions. Generally, Silver's monthly premiums are higher than Bronze's, but you could end up paying less overall.
Gold plans have higher monthly premiums but lower out-of-pocket expenses.
Platinum plans have the lowest out-of-pocket costs and highest monthly premiums. These only make sense if your total medical spending will be more than your monthly premiums, or you need very specific treatments.
If you are under age 30 or do not have to get health coverage (read Requirement to Get Health Coverage), you can get a catastrophic plan. These cost less. Their benefits are limited.