Step 5 Preview API Pricing
- Input / output
- $1.00 / $2.70 per 1M tokens
- Cache read
- $0.10 / 1M
- Context
- 1M tokens
- Max output
- 64K tokens
As of October 25, 2026, Step 5 Preview costs $1.00 per 1M input tokens and $2.70 per 1M output tokens on Opencode GO, with cache reads at $0.10 per 1M tokens. It has a 1,000,000-token context window and returns up to 65,536 tokens per response.
Step 5 Preview pricing by provider
1 listing across 1 provider. Token prices are in US dollars per 1M tokens. The highlighted row is the price quoted above.
| Provider | Model name in LiteLLM | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| Opencode GO | opencode_go/step-5-preview | $1.00 | $2.70 | $0.10 | 1M |
What Step 5 Preview costs in practice
1,000 requests with 2,000 input and 500 output tokens each
| Opencode GO | $3.35 |
100 long-document requests with 100,000 input and 2,000 output tokens each
| Opencode GO | $10.54 |
Step 5 Preview cost calculator
At Opencode GO's price ($1.00 input, $2.70 output per 1M tokens), 10,000 requests a day with 1,000 input and 500 output tokens each cost $23.50 a day, about $705 a month. Change the numbers for your workload, or compare it with other models.
- Per request
- $0.00235
- Per day
- $23.50
- Per month (30 days)
- $705
Step 5 Preview features
Input: text, image. Output: text.
- Function calling
- Image input
- Reasoning
Use Step 5 Preview with LiteLLM
Call Step 5 Preview through the LiteLLM Python SDK, or put it behind the LiteLLM proxy and send OpenAI-format requests to /v1/chat/completions. LiteLLM tracks the cost of every request at these prices.
from litellm import completion
response = completion(
model="opencode_go/step-5-preview",
messages=[{"role": "user", "content": "Hello!"}],
)model_list:
- model_name: step-5-preview
litellm_params:
model: opencode_go/step-5-preview
# credentials: see the provider's LiteLLM docs pagecurl http://0.0.0.0:4000/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $LITELLM_API_KEY" \
-d '{
"model": "step-5-preview",
"messages": [{"role": "user", "content": "Hello!"}]
}'Step 5 Preview FAQ
How much does Step 5 Preview cost?
Step 5 Preview costs $1.00 per 1M input tokens and $2.70 per 1M output tokens on Opencode GO, with cache reads at $0.10 per 1M tokens.
What is the context window of Step 5 Preview?
Step 5 Preview has a 1,000,000-token context window and returns up to 65,536 tokens per response.
Which providers offer Step 5 Preview?
Step 5 Preview is available from Opencode GO through LiteLLM, using the model name opencode_go/step-5-preview.
How do I call Step 5 Preview with an OpenAI-compatible API?
Use the LiteLLM Python SDK with model="opencode_go/step-5-preview", or add the model to the LiteLLM proxy's config.yaml and send requests to /v1/chat/completions from any OpenAI client. LiteLLM tracks the cost of every request at the prices on this page.
What features does Step 5 Preview support?
Step 5 Preview supports function calling, image input and reasoning.
When did LiteLLM add Step 5 Preview?
Step 5 Preview was added to LiteLLM's model price file on October 24, 2026.
Sources
Prices come from LiteLLM's open-source model_prices_and_context_window.json, which LiteLLM uses to calculate the cost of every request. Maintainers update it from each provider's published pricing, and this page is usually rebuilt within 20 minutes of every change. Provider pricing pages:
Provider pages: Opencode GO.
