ended 18 days ago
works · Oct 1110 parallel
Checked Oct 16 · catalogue
StepFun
Step 5 Preview
FTI2 sources · between #3 and #9 of the 72 with an FTI score
29–34
2 sources, 2 independent of the vendor: centre 32; fewer than 3 sources or none independent, so shown as a band.
- Artificial Analysis · third party
- 34.7 terminal bench 4 0: 31.82 · third party
- code migration v1 1: 47 · third party · not used: no reference models for this benchmark
- finance agent v2 1: 58.9 · third party · not used: no reference models for this benchmark
- ioi: 38.06 · third party · not used: no reference models for this benchmark
- vals index: 54.76 · third party · not used: no reference models for this benchmark
- vibe code bench v1 1: 70.4 · third party · not used: no reference models for this benchmark
Context1Mtokens
Imagesyesimage input
Free now0 of 2channels
Tested by us2 of 2channels measured
Where it's free now 2 channels tracked
ended 18 days ago
works · Oct 1110 parallel
Checked Oct 16 · agent run
Also free through programs whose allowance covers this model · amounts are shared with other models
Free periods one bar per channel; markers are events
free so farpast announced endofficial end aheadinferred end aheadno end announcedended / not answering● event · ◆ end announced · tap one to see it
Oct 5
Oct 12
Oct 19
Oct 26
Nov 2
Nov 9
Nov 16
today
What happened newest first · times link to the source
Fri, Oct 1618 days ago
OpenCode Zen dropped Step 5 Preview Free: not in the model catalogue, not in the Zen model list or price table, hidden from the client, and the free-tier endpoint answers "Model is unavailable" (HTTP 400) where live free models answer 403 FreeTierError → end date Oct 16
Source: OpenCode Zen models API, model docs and free-tier endpoint (own checks) · answered 10 parallel calls on 2026-10-11; models.dev flags the ID deprecated as of 2026-10-16
OpenCode Go dropped Step 5 Preview Free: the plan's model list keeps the paid Step 5 Preview ($1.00/$2.70) with no free variant, the free ID is out of the catalogue, and an authenticated call answers 400 "Upstream request failed: Model is unavailable." (0.37s) while a control free model still answered 200 → end date Oct 16
Source: OpenCode Go docs, models API and models.dev (own checks) · models.dev flags the ID deprecated; deprecation falls between 2026-10-12T16:24Z and 2026-10-16T13:08Z from registry snapshots
Fri, Oct 925 days ago
First seen in the OpenCode Zen free catalogue; the listing may predate this check: Step 5 Preview
Source: OpenCode Zen model list
First seen in the OpenCode Go free catalogue; the listing may predate this check: Step 5 Preview
Source: OpenCode Go model list
Channel details
OpenCode Zen ended✕ humans✕ agents
- Tested by us
- works · Oct 1110 parallelper-IP limit
ⓘ
10 parallel short calls answered · checked Oct 11 - Model ID
opencode/step-5-preview-free- To start
- $0 · no account Free models run inside the OpenCode app with no account; the Zen API key route needs billing details
- Use it
- CLI only
- Free condition
- Inside the OpenCode app, no account; the raw API refuses free models (403 FreeTierError); Limited time; no end date published
- Limit (stated)
- not published
- Started
- Oct 9
- End
- ended 18 days ago Oct 16
- Data policy
- no retention
- Channel type
- agent tool
- Checked
- Oct 16 · catalogue
OpenCode Go ended✕ humans✕ agents
- Tested by us
- works · Oct 1110 parallel
ⓘ
10 parallel short calls answered · checked Oct 11 - Model ID
opencode-go/step-5-preview-free- To start
- $10/mo plan first Free models need an OpenCode Go subscription; they don't use plan quota
- Use it
- API · 3 formats
- Free condition
- OpenCode Go plan; free models don't use the plan's quota; Limited time; no end date published
- Limit (stated)
- published
ⓘ
Go rate table lists it as Unlimited - Started
- Oct 9
- End
- ended 18 days ago Oct 16no end announced; observed gone on 2026-10-16 (400 "Upstream request failed: Model is unavailable.", models.dev deprecated); last answer 2026-10-11
- Data policy
- not checked
- Channel type
- agent tool
- Checked
- Oct 16 · agent run