MODEL PROOF
gpt-oss-20b (batch)
NOT INDEPENDENTLY RATED
No independent LMArena score is published for this model.
- Independent LMArena score
- Not independently rated
- Context window
- 131.07K
- Maximum output
- 117.96K
- Input modalities
- text
- Output modalities
- text
- Published input price
- $0.024 / 1M tokens
- Published output price
- $0.112 / 1M tokens
- Pricing kind
- fixed
Inspect complete billing conditions and endpoint terms below.
Every price dimension · USD per million tokens
| Input | $0.024/M |
|---|---|
| Output | $0.112/M |
| Cached input | Unknown/M |
| Cache write | Unknown/M |
| Cache write 1h | Unknown/M |
| Reasoning | Unknown/M |
Independent scores
No independent benchmark has measured this model. Unrated is not a score of zero.
Capability
| Context window | 131K |
|---|---|
| Max output | 118K |
| Input modes | text |
| Tool use | yes |
| Reasoning | always on |
| Knowledge cutoff | 2024-06-30 |
| Open weights | Unknown |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-09-23 |
| Quality data | unrated |
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...
Questions this page answers
What does gpt-oss-20b (batch) cost?
$0.024/M in, $0.112/M out in this catalogue, as of the fetch date on this page. That is the API row, not a subscription.
Does gpt-oss-20b (batch) have an independent quality score?
gpt-oss-20b (batch) has no independent quality score in this catalogue. Unrated is not a score of zero.
What beats gpt-oss-20b (batch)?
gpt-oss-20b (batch) has no independent quality score. Unrated is not a score of zero.
Does this page use Artificial Analysis scores for gpt-oss-20b (batch)?
No. Artificial Analysis figures are not published here. Quality on this page is LMArena Elo where a score exists; otherwise the row is unrated.
Does a missing score mean gpt-oss-20b (batch) scored zero?
Unrated is not a score of zero.
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