gpt-oss-20b (batch)
The cheapest provider for gpt-oss-20b (batch) is Darkbloom at $0.036 per 1M tokens (blended), charging $0.018 per 1M input and $0.09 per 1M output tokens. 11 providers serve it; the most expensive charges 3.6× as much. Context window: 128K tokens. Prices tracked since Oct 3, 2026.
Best price
$0.036
at Darkbloom
Input / output
$0.018 / $0.09
per 1M tokens
Providers
11
3.6× spread
7 days
—
best price
30 days
—
best price
Context
128K
tokens
Providers
Active offers ranked by blended price. Bars are relative to the most expensive.
| Provider | Input | Output | Blended | vs cheapest | Context | Uptime 1d | Price since |
|---|---|---|---|---|---|---|---|
DarkbloomCheapest fp8 | $0.018 | $0.09 | $0.036 | best | |||
| fp4 | $0.02 | $0.10 | $0.04 | +11% | |||
| fp4 | $0.03 | $0.13 | $0.055 | +53% | |||
| bf16 | $0.029 | $0.14 | $0.0568 | +58% | |||
| bf16 | $0.03 | $0.14 | $0.0575 | +60% | |||
| fp4 | $0.03 | $0.15 | $0.06 | +67% | |||
| fp4 | $0.04 | $0.15 | $0.0675 | +88% | |||
| fp8 | $0.04 | $0.18 | $0.075 | +108% | |||
| $0.07 | $0.15 | $0.09 | +150% | ||||
Amazon Bedrockeu-west-1 | $0.07 | $0.15 | $0.09 | +150% | |||
Googleus-central1 | $0.07 | $0.25 | $0.115 | +219% | |||
| $0.075 | $0.30 | $0.131 | +265% |
- DarkbloomCheapest$0.036$0.018 in · $0.09 outbest128K ctx99.8% uptimefp8
- $0.04$0.02 in · $0.10 out+11%128K ctx99.5% uptimefp4
- $0.055$0.03 in · $0.13 out+53%128K ctx100% uptimefp4
- $0.0568$0.029 in · $0.14 out+58%128K ctx99.5% uptimebf16
- $0.0575$0.03 in · $0.14 out+60%128K ctx100% uptimebf16
- $0.06$0.03 in · $0.15 out+67%128K ctx100% uptimefp4
- $0.0675$0.04 in · $0.15 out+88%128K ctx99.8% uptimefp4
- $0.075$0.04 in · $0.18 out+108%128K ctx94.2% uptimefp8
- $0.09$0.07 in · $0.15 out+150%128K ctx99.9% uptime
- eu-west-1$0.09$0.07 in · $0.15 out+150%128K ctx100% uptime
- us-central1$0.115$0.07 in · $0.25 out+219%128K ctx98.2% uptime
- $0.131$0.075 in · $0.30 out+265%128K ctx98.0% uptime
Blended = (3 × input + output) / 4.
Price history
Hover to compare providers at any point in time. Click a legend item to hide it.
USD per 1M tokens · each step is a price change
Not enough history yet
Tracking since Oct 3, 2026. The chart fills in as new crawls arrive every 6 hours.
Other pricing
Cache, reasoning and per-call fees. Token rates per 1M; others per unit.
| Offered by | Cache read |
|---|---|
| Darkbloom | $0.009 |
| CoreWeave | $0.03 |
| DekaLLM | $0.029 |
| Parasail | $0.02 |
| Groq | $0.0375 |
Change log
Every recorded change for this model since Oct 3, 2026.
No changes yet
Tracking since Oct 3, 2026. Price changes, new providers and delistings will show up here.
About this model
gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...
- Released
- Aug 5, 2025
- First tracked
- Oct 3, 2026
- Canonical slug
- openai/gpt-oss-20b
- Weights
- openai/gpt-oss-20b