OpenAI: gpt-oss-20b
Listed on OpenRouter as openai/gpt-oss-20b since Aug 12, 2025. 150 snapshot observations, 17 repricings. Free route available
USD per 1M tokens · blended at 3 input : 1 output · at this price for 16 days (since Sep 23, 2026)
Free routes for this model
Verified programs that serve this model at no charge, with the allowance and the tightest limit the provider publishes. Details, quotes and the key link are on each program page.
| Program | Free allowance | Tightest limit | To start |
|---|---|---|---|
| Groq Groq free-tier models | 200K tokens / day | 30 requests / min | Signup, no payment |
| RouteLM RouteLM monthly free tokens | 50K tokens / month | 60 requests / min | Signup, no payment |
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Sep 23, 2026 | $0.018 | $0.090 | $0.036 | -34.5% |
| Aug 1, 2026 | $0.030 | $0.13 | $0.055 | -4.3% |
| Jul 31, 2026 | $0.030 | $0.14 | $0.058 | +4.5% |
| Jul 29, 2026 | $0.030 | $0.13 | $0.055 | -4.3% |
| Jul 26, 2026 | $0.030 | $0.14 | $0.058 | +4.5% |
| Jul 25, 2026 | $0.030 | $0.13 | $0.055 | -3.1% |
| Jul 24, 2026 | $0.029 | $0.14 | $0.057 | +3.2% |
| Jul 15, 2026 | $0.030 | $0.13 | $0.055 | -3.1% |
| Jun 14, 2026 | $0.029 | $0.14 | $0.057 | -1.3% |
| Apr 10, 2026 | $0.030 | $0.14 | $0.058 | +15.0% |
| Mar 22, 2026 | $0.030 | $0.11 | $0.050 | -13.0% |
| Feb 19, 2026 | $0.030 | $0.14 | $0.058 | +43.8% |
| Jan 8, 2026 | $0.020 | $0.10 | $0.040 | +48.1% |
| Jan 7, 2026 | $0.016 | $0.060 | $0.027 | -53.0% |
| Oct 1, 2025 | $0.030 | $0.14 | $0.058 | -4.2% |
| Sep 22, 2025 | $0.030 | $0.15 | $0.060 | -11.1% |
| Aug 25, 2025 | $0.040 | $0.15 | $0.068 | -3.6% |
| Aug 12, 2025 | $0.040 | $0.16 | $0.070 | first observation |
Where it is listed today
Current listed rates across the sources LLMPI compares. The cheapest blended row is highlighted; lower price never implies identical terms, speed, or quality.
| Source | Input | Output | Blended | Listing ID |
|---|---|---|---|---|
| OpenRouter Pricing evidence | $0.018 | $0.090 | $0.036 | openai/gpt-oss-20b |
| Nous Portal Provider catalog (not exact listing evidence) | $0.018 | $0.090 | $0.036 | openai/gpt-oss-20b |
| DeepInfra Pricing evidence | $0.030 | $0.14 | $0.058 | openai/gpt-oss-20b |
| Together Provider catalog (not exact listing evidence) | $0.050 | $0.20 | $0.088 | openai/gpt-oss-20b |
| AIHubMix Pricing evidence | $0.11 | $0.55 | $0.22 | gpt-oss-20b |
Evidence and scope
- Source
- OpenRouter public model listing
- Archive
- Wayback Machine snapshots of that listing (weekly-grade, from July 2023) plus LLMPI's own daily snapshots since June 2026
- Last observed
- Oct 9, 2026
- Data
- history.json (CC BY 4.0)
This is the listed standard text-token rate for one OpenRouter listing ID. It does not normalize caching, batch discounts, long-context tiers, providers behind the listing, or model quality. A price can also move because OpenRouter's default route changed provider.