Pricing · per 1M tokens
| Cached input | $0.035/Mtok (50% of input — prompt caching) |
|---|---|
| Blended avg cost* | $0.185/Mtok |
Available on 2 hosts · cheapest first
GPT-OSS 20B is sold by 2 providers. Prices are per 1M tokens (blended = avg of input & output). This is an open-weights model with no first-party API here — “vs cheapest” compares each host to the lowest blended price.
| Host | Input | Output | Blended | vs cheapest |
|---|---|---|---|---|
| Fireworks cheapest | $0.070 | $0.300 | $0.185 | — |
| Groq details → | $0.075 | $0.300 | $0.188 | +1% |
Each host links to its provider page and official pricing. Prices refresh twice daily.
Overview
OpenAI's GPT OSS 20B on Fireworks. $0.07/$0.30 per 1M; cached $0.035.
Deploy this open model on rented GPUs
Open weights mean you can self-host instead of paying per-token API prices. These platforms let you serve it on demand — often cheaper at scale.
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Capabilities
Benchmark performance
- Ranks #1 of 35 benchmarked models by average score
- Ranks #1 of 35 comparably-tested models by normalized performance per dollar top value
- Strongest at AIME 2025 — 98.7%, #3 of 58
Source: Vellum LLM Leaderboard · Updated Jul 1, 2026 · See full rankings →
Specifications
| Provider | Fireworks |
|---|---|
| Context window | 128K tokens |
| Modality | text |
| Parameters | 20B |
| Open source | Yes — open weights available |
| Released | Jan 1, 2026 |
| Status | Current |
| Last updated | Jun 25, 2026 |
| Tags | open-weights budget caching |
Cost calculator
At a glance
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Price history
Last updated: Jul 10, 2026 · price links to the official provider pricing page (source above)
No price changes detected — this model's pricing has been stable since we began tracking it.