gpt-oss-120b
OpenAIdevelopers.openai.com/api/docs/models/gpt-oss-12
Most powerful open-weight model, fits into an H100 GPU
Updated 11 min ago · first seen 11 Sept 2026
model_01M293VC69K5D58EP5QCDWXVWY
- Context
- 131.1K tokens
- T2 · 11 min ago
- Released
- 5 Aug 2025
- T2 · 11 min ago
- Knowledge cutoff
- Jun 2024
- T2 · 11 min ago
Specification
- Release date
- 5 Aug 2025
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Openness
- open-weights
Source:OpenAI Platform docsT1observed 29 min agohigh
- Context window
- 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Max output
- 118K tokens
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Knowledge cutoff
- Jun 2024
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Modalities
- text
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Input modalities
- text
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Output modalities
- text
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Tokenizer
- GPT
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- API model id
- gpt-oss-120b
Source:OpenAI Platform docsT1observed 29 min agohigh
- Hugging Face repo
- openai/gpt-oss-120b
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Official page
Source:OpenAI Platform docsT1observed 29 min agohigh
- Groq model id
- openai/gpt-oss-120b
Source:Groq — docs & pricingT1observed 11 min agohigh
- Openrouter id
- openai/gpt-oss-120b
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Supported parameters
- frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_a, top_k, top_logprobs, top_p
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →
Provenance
Attributed facts
19
Source tiers
T1T25 / 14
Freshest observation
11 min ago
Conflicts
None
Modalities
- Modalities
- text
- Input
- text
- Output
- text
Capabilities
Tool calling
Yes
OpenRouter public model & pricing listing · T2
Structured output
Yes
OpenRouter public model & pricing listing · T2
Reasoning
Yes
OpenRouter public model & pricing listing · T2
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable
- Context window
- 131.1K tokens
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Max output
- 118K tokens
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Knowledge cutoff
- Jun 2024
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
- Tokenizer
- GPT
Source:OpenRouter public model & pricing listingT2observed 11 min agomedium
No benchmark results recorded
Current prices
| Provider | Input / 1M | Output / 1M | Cached in | Batch in / out | Context | Observed | Source |
|---|---|---|---|---|---|---|---|
| OpenAI APIopenai/gpt-oss-120b | $0.037 | $0.17 | — | — | 131.1K | 11 min ago | openrouter.aiT2 |
| Fireworks AIfireworks/gpt-oss-120b | $0.15 | $0.60 | $0.015 | — | — | 21 min ago | app.fireworks.aiT1 |
| GroqCloudopenai/gpt-oss-120b | $0.15 | $0.60 | — | — | 131.1K | 11 min ago | console.groq.comT1 |
| OpenAI APIopenai/gpt-oss-120b:batch | $0.15 | $0.60 | — | — | 131.1K | 11 min ago | openrouter.aiT2 |
USD per 1M tokens as published by each provider (USD). Rows are append-only: every change is kept in the history below.
Available through 3
Price history
Input price · USD / 1M tokens
Output price · USD / 1M tokens
- Fireworks AI
- OpenAI API
- GroqCloud
No hardware estimate available
No lineage recorded
Papers 0
No papers linked yet.
Repositories 0
No repositories linked yet.
As of
Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.
Claim history
Release daterelease_date1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 5 Aug 2025 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Opennessopenness1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| open-weights | → current | current | OpenAI Platform docsT1 | high | deterministic |
Parametersparameter_count1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 116.8B | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Context windowcontext_length1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 131.1K tokens | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Max outputmax_output_tokens1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 118K tokens | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Knowledge cutoffknowledge_cutoff1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Jun 2024 | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Modalitiesmodalities1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Input modalitiesmodalities_input1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Output modalitiesmodalities_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Tokenizertokenizer1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| GPT | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
API model idapi_model_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| gpt-oss-120b | → current | current | OpenAI Platform docsT1 | high | deterministic |
Hugging Face repohf_repo1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| openai/gpt-oss-120b | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Pipeline tagpipeline_tag1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| text-generation | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Official pageofficial_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://developers.openai.com/api/docs/models/gpt-oss-120b | → current | current | OpenAI Platform docsT1 | high | deterministic |
Model cardmodel_card_url1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| https://huggingface.co/openai/gpt-oss-120b | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Downloadsmetric.downloads1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 5,463,732 | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Likesmetric.likes1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 5,188 | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Descriptiondescription1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Most powerful open-weight model, fits into an H100 GPU | → current | current | OpenAI Platform docsT1 | high | deterministic |
Groq model idgroq_model_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| openai/gpt-oss-120b | → current | current | Groq — docs & pricingT1 | high | deterministic |
Last modifiedlast_modified1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| 2025-08-26T17:25:03+00:00 | → current | current | Hugging Face Hub (public pages, model cards, papers)T2 | medium | deterministic |
Openrouter idopenrouter_id1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| openai/gpt-oss-120b | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Reasoningreasoning1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Structured outputstructured_output1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Supported parameterssupported_parameters1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| frequency_penalty, include_reasoning, logit_bias, logprobs, max_tokens, min_p, presence_penalty, reasoning, reasoning_effort, repetition_penalty, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_a, top_k, top_logprobs, top_p | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Tool callingtool_calling1
| Value | Valid from → to | Status | Source | Confidence | Extractor |
|---|---|---|---|---|---|
| Yes | → current | current | OpenRouter public model & pricing listingT2 | medium | deterministic |
Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →
GroqCloud lists gpt-oss-120b at $0.15 in / $0.6 out per 1M tokens
groq_pricingOpenAI API lists gpt-oss-120b at $0.15 in / $0.6 out per 1M tokens
openrouterOpenAI API lists gpt-oss-120b at $0.037 in / $0.17 out per 1M tokens
openrouterFireworks AI lists gpt-oss-120b at $0.15 in / $0.6 out per 1M tokens
fireworks_pricing
| Source | Document | Type | Tier | Last observed | Snapshots |
|---|---|---|---|---|---|
| Groq — docs & pricing | console.groq.com/docs/models | model_docs | T1· Official | 11 min ago | 1 |
| Fireworks AI — pricing | docs.fireworks.ai/serverless/pricing.md | pricing | T1· Official | 16 min ago | 1 |
| OpenAI Platform docs | developers.openai.com/api/docs/models.md | model_docs | T1· Official | 18 min ago | 1 |
| OpenRouter public model & pricing listing | openrouter.ai/api/v1/models | catalogue | T2· Quality secondary | 11 min ago | 1 |
Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.