OpenAI
·Released on Aug 5, 2025gpt-oss-120b API Benchmarks, Pricing & Provider Data
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LLM
gpt-oss-120b benchmark, API pricing, and provider data cover 98 API providers, with prices starting at $0.0030/request.
gpt-oss-120b is an open-weight, 117B-parameter Mixture-of-Experts (MoE) language model from OpenAI designed for high-reasoning, agentic, and general-purpose production use cases. It activates 5.1B par...
Quality
0.0
LMSpeed score
Cost
#22of 180
$0.0030/ 1M · 8:1 in:out
$0.0005 in · $0.0025 out
Category Performance
Observed-capability estimates with uncertainty reported separately from independent benchmark families.
- Coverage
- 7 / 8
- Methodology
- V3.0
#1Knowledge55.2Provisional1/4 Measured dimensions
80% interval: 41.2–69.2
broad knowledge55.2
aa_omniscience · artificial_analysis / benchlm_category_knowledge · benchlm_category_knowledge
professional knowledgePrior only
factualityPrior only
retrieval open bookPrior only
#2Math53.7Provisional1/4 Measured dimensions
80% interval: 37.6–69.8
foundational math53.7
aa_math_index · artificial_analysis_math_index
competition mathPrior only
proof frontierPrior only
applied tool mathPrior only
#3Instruction following52.1Provisional1/4 Measured dimensions
80% interval: 36.1–68.1
constraint followingPrior only
structured outputPrior only
novel instruction generalization52.1
ifbench · aa_if_bench
long multiturn instructionPrior only
#4Reasoning49.2RatedGlobal rank #423/4 Measured dimensions
80% interval: 40.6–57.9
abstract logicPrior only
scientific causal51.1
critpt · critpt / gpqa · gpqa / hle · hle
multistep constraints52.2
mmlu_pro · mmlu_pro
evidence verification44.5
lcr · lcr
#5Coding47.8RatedGlobal rank #293/4 Measured dimensions
80% interval: 38.7–56.9
code generation56
livecodebench · livecodebench / scicode · scicode
repository engineering44.9
react_native_bench · react_native_evals
debugging testingPrior only
tooling quality42.4
terminalbench · terminal_bench_hard
#6Agents35.9RatedGlobal rank #554/4 Measured dimensions
80% interval: 29.9–41.9
planning39.5
deep_planning · gert_labs
tool use46.1
tau · tau2_bench
environment execution32.8
enterprise_ops_gym · aa_enterprise_ops_gym / gdpval_aa · benchlm_agentic_gdpval_aa / itbench · aa_itbench
recovery reliability25
apex_agents · apex_agents_aa / briefcase · aa_briefcase_elo / harvey_lab · aa_harvey_lab
#7Multilingual31.5Provisional1/4 Measured dimensions
80% interval: 14.2–48.8
cross language understanding31.5
global_mmlu · aa_global_mmlu_lite
multilingual generationPrior only
reasoning transferPrior only
low resource robustnessPrior only
No data:Multimodal
Specifications
Input and output token limits for this model, plus how it ranks on long-context understanding.
INPUT
131.1Ktokens
≈ 157.3 pages of text
OUTPUT
131.1Ktokens
8K128K1M4M
131.1K
Features
Technical Details
- Input
- Output
- Total parameters
- 120B
- Released
- Aug 2025
- Knowledge cutoff
- 2024-06-30
- Tokenizer
- GPT
- Architecture
- text->text
- Moderated
- No
- Supported parameters
- frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_atop_ktop_logprobstop_p
Rankings
Excels at
It's decent at
Falls behind in
Detailed scores
Updated: Aug 22, 2026Speed & latency
undefined metric} other undefined metrics}}
Output speed153.1 tok/s#15 / 74Time to first token0.56 s#9 / 74
Speed & latency
undefined metric} other undefined metrics}}
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Output speed
LMSpeed rank#15
Score153.1 tok/s
Sourceartificialanalysis.ai
UpdatedAug 22, 2026
Confidence4
Time to first token
LMSpeed rank#9
Score0.56 s
Sourceartificialanalysis.ai
UpdatedAug 22, 2026
Confidence4
Pricing
undefined metric} other undefined metrics}}
Input price$0.150/M#22 / 180Output price$0.595/M#25 / 180
Pricing
undefined metric} other undefined metrics}}
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Agents
V3.0undefined metric} other undefined metrics}} · Rated
Score35.9#5580% interval29.9–41.94/4 Measured dimensionsAA Agentic Index13.4#53 / 65APEX-Agents-AA3.1#21 / 23
Agents
V3.0undefined metric} other undefined metrics}} · Rated
Dimensions and evidence
Planning & decomposition39.5
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
deep_planning · gert_labs · z -1.38 · q 1.00
Tool use46.1
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
tau · tau2_bench · z -0.63 · q 1.00
Environment & long-horizon execution32.8
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
enterprise_ops_gym · aa_enterprise_ops_gym · z -2.64 · q 1.00
gdpval_aa · benchlm_agentic_gdpval_aa · z -1.09 · q 1.00
itbench · aa_itbench · z -3.00 · q 1.00
Recovery & completion reliability25
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
apex_agents · apex_agents_aa · z -2.93 · q 1.00
briefcase · aa_briefcase_elo · z -1.93 · q 1.00
harvey_lab · aa_harvey_lab · z -3.00 · q 1.00
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
AA EnterpriseOps-GymV3 evidence
LMSpeed rank#12
Score25.5
Sourcebenchlm.ai
UpdatedAug 19, 2026
Confidence1
Coding
V3.0undefined metric} other undefined metrics}} · Rated
Score47.8#2980% interval38.7–56.93/4 Measured dimensionsLiveCodeBench70.7%#29 / 115SciCode36.0%#120 / 204
Coding
V3.0undefined metric} other undefined metrics}} · Rated
Dimensions and evidence
Code generation56
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
livecodebench · livecodebench · z 1.34 · q 1.00
scicode · scicode · z 0.07 · q 1.00
Repository engineering44.9
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
react_native_bench · react_native_evals · z -0.69 · q 1.00
Debugging & testingPrior only
Tool-assisted development & quality42.4
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
terminalbench · terminal_bench_hard · z -1.22 · q 1.00
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
LiveCodeBenchV3 evidence
LMSpeed rank#29
Score70.7%
Sourceartificialanalysis.ai
UpdatedAug 22, 2026
Confidence4
SciCodeV3 evidence
LMSpeed rank#120
Score36.0%
Sourceartificialanalysis.ai
UpdatedAug 22, 2026
Confidence4
Reasoning
V3.0undefined metric} other undefined metrics}} · Rated
Score49.2#4280% interval40.6–57.93/4 Measured dimensionsMMLU-Pro77.5%#77 / 129GPQA67.2%#143 / 211
Reasoning
V3.0undefined metric} other undefined metrics}} · Rated
Dimensions and evidence
Abstract logicPrior only
Scientific & causal reasoning51.1
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
critpt · critpt · z -0.39 · q 1.00
gpqa · gpqa · z 0.06 · q 1.00
hle · hle · z 0.27 · q 1.00
Multi-step constraints52.2
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
mmlu_pro · mmlu_pro · z 0.09 · q 1.00
Evidence integration & verification44.5
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
lcr · lcr · z -1.10 · q 1.00
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
MMLU-ProV3 evidence
LMSpeed rank#77
Score77.5%
Sourceartificialanalysis.ai
UpdatedAug 22, 2026
Confidence4
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Score55.280% interval41.2–69.21/4 Measured dimensionsKnowledge score64.0#43 / 69Artificial Analysis Intelligence Index24.1#80 / 111
Knowledge
V3.0undefined metric} other undefined metrics}} · Provisional
Dimensions and evidence
Broad knowledge55.2
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
aa_omniscience · artificial_analysis · z 0.95 · q 1.00
benchlm_category_knowledge · benchlm_category_knowledge · z -0.33 · q 1.00
Professional knowledgePrior only
FactualityPrior only
Retrieval & open-book usePrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Artificial Analysis Intelligence IndexV3 evidence
LMSpeed rank#80
Score24.1
Sourcebenchlm.ai
UpdatedAug 19, 2026
Confidence1
AA-Omniscience Hallucination Rate
LMSpeed rank#17
Score90.8
Sourcebenchlm.ai
UpdatedAug 17, 2026
Confidence1
Math
V3.0undefined metric} other undefined metrics}} · Provisional
Score53.780% interval37.6–69.81/4 Measured dimensionsAA AIME 202593.4#2 / 2
Math
V3.0undefined metric} other undefined metrics}} · Provisional
Dimensions and evidence
Foundational math53.7
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
aa_math_index · artificial_analysis_math_index · z 0.90 · q 1.00
Competition mathPrior only
Advanced proofsPrior only
Applied & tool-assisted mathPrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Multilingual
V3.0undefined metric} other undefined metrics}} · Provisional
Score31.580% interval14.2–48.81/4 Measured dimensionsAA Global-MMLU-Lite82.8#4 / 4
Multilingual
V3.0undefined metric} other undefined metrics}} · Provisional
Dimensions and evidence
Cross-language understanding31.5
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
global_mmlu · aa_global_mmlu_lite · z -3.00 · q 0.50
Multilingual generationPrior only
Reasoning transferPrior only
Low-resource robustnessPrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
80% interval30.8–69.20/4 Measured dimensionsDesign Arena Website979.0#71 / 75
Multimodal
V3.0undefined metric} other undefined metrics}} · No data
Dimensions and evidence
Perception & OCRPrior only
Document & spatial understandingPrior only
Visual reasoningPrior only
Video & grounded actionPrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
Instruction following
V3.0undefined metric} other undefined metrics}} · Provisional
Score52.180% interval36.1–68.11/4 Measured dimensionsAA-IFBench69.0#39 / 84
Instruction following
V3.0undefined metric} other undefined metrics}} · Provisional
Dimensions and evidence
Constraint followingPrior only
Structured outputPrior only
Novel-instruction generalization52.1
undefined family} other undefined families}} · undefined metric} other undefined metrics}}
ifbench · aa_if_bench · z 0.01 · q 1.00
Multi-turn & long instructionsPrior only
Benchmark
LMSpeed rank
Score
Source
Updated
Confidence
OpenRouter endpoints
20 endpointsThird-party OpenRouter endpoint data, shown separately from LMSpeed measurements. Some 30-minute live performance fields only appear after syncing with an OpenRouter API key.
| Provider endpoint | Input | Output | 1d uptime | 30m latency | 30m throughput | Context / output |
|---|---|---|---|---|---|---|
Cerebras cerebras/fp16 | $0.350/M | $0.750/M | 100.0% | — | — | undefined tokens / undefined tokens |
Parasail parasail/fp4 | $0.100/M | $0.750/M | 100.0% | — | — | undefined tokens / undefined tokens |
Groq groq | $0.150/M | $0.600/M | 99.9% | — | — | undefined tokens / undefined tokens |
DigitalOcean digitalocean | $0.055/M | $0.385/M | 99.9% | — | — | undefined tokens / — |
DeepInfra deepinfra/turbo | $0.150/M | $0.600/M | 99.8% | — | — | undefined tokens / undefined tokens |
BaseTen baseten/fp4 | $0.100/M | $0.500/M | 99.6% | — | — | undefined tokens / undefined tokens |
AkashML akashml/bf16 | $0.037/M | $0.490/M | 99.3% | — | — | undefined tokens / undefined tokens |
Mancer 2 mancer/fp8 | $0.085/M | $0.500/M | 99.3% | — | — | undefined tokens / undefined tokens |
Phala phala | $0.150/M | $0.600/M | 98.9% | — | — | undefined tokens / undefined tokens |
CoreWeave coreweave/fp4 | $0.030/M | $0.170/M | 98.4% | — | — | undefined tokens / undefined tokens |
Nebius nebius/fp4 | $0.150/M | $0.600/M | 97.7% | — | — | undefined tokens / — |
Mara mara | $0.150/M | $0.750/M | 97.0% | — | — | undefined tokens / undefined tokens |
SambaNova sambanova | $0.140/M | $0.950/M | 96.3% | — | — | undefined tokens / undefined tokens |
Together together | $0.150/M | $0.600/M | 94.2% | — | — | undefined tokens / — |
DeepInfra deepinfra/bf16 | $0.037/M | $0.170/M | 93.2% | — | — | undefined tokens / undefined tokens |
Google google-vertex/global | $0.090/M | $0.360/M | 90.0% | — | — | undefined tokens / undefined tokens |
Amazon Bedrock amazon-bedrock | $0.150/M | $0.600/M | 89.9% | — | — | undefined tokens / — |
Novita novita/fp4 | $0.050/M | $0.250/M | 85.6% | — | — | undefined tokens / undefined tokens |
SiliconFlow siliconflow/fp8 | $0.050/M | $0.450/M | 67.9% | — | — | undefined tokens / undefined tokens |
Amazon Bedrock amazon-bedrock/eu-west-1 | $0.150/M | $0.600/M | — | — | — | undefined tokens / — |
Pricing Comparison
Compare gpt-oss-120b API pricing across 98 providers. Prices range from $0.0030/request to $399.60/M. Crond offers the lowest rate at $0.0030/request.
| Provider | Health | Model Variant | Group | Input ($/M) | Output ($/M) | Speed (t/s) | First token | Audit |
|---|---|---|---|---|---|---|---|---|
L1 100% | gpt-oss-120b | default | -75%$0.037/M | -71%$0.170/M | — | — | — | |
L1 99% | gpt-oss-120b | default | -7%$0.140/M | -6%$0.561/M | — | — | — | |
L1 99% | [极速0.04/次]GPT-OSS-120B | default | $0.037/request | - | — | — | — | |
L1 99% | gpt-oss-120b | default | -7%$0.140/M | -6%$0.561/M | — | — | — | |
L1 100% | gpt-oss-120b | mix | -97%$0.0041/M | -97%$0.016/M | — | — | — | |
L1 47% | gpt-oss-120b | default | $399.60/M | $1598.40/M | — | — | — | |
L1 100% | gpt-oss-120b | default | -50%$0.075/M | -49%$0.301/M | — | — | — | |
L1 0% | gpt-oss-120b-免费 | 免费玩耍 | $0.0030/request | - | — | — | — |
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Frequently Asked Questions
- What benchmark data does gpt-oss-120b include?
- LMSpeed shows gpt-oss-120b benchmark context, API price, output speed, first-token latency, and provider data across 98 providers when those signals are available.
- What is the gpt-oss-120b API price?
- gpt-oss-120b has pricing from 98 providers, ranging from $0.0030/request to $399.60/M. Crond has the lowest listed price.
- What does the gpt-oss-120b API pricing table include?
- The gpt-oss-120b API pricing table compares 98 providers by input price, output price, free tier status, speed, first-token latency, and recent health data when available.
- Which provider has the cheapest gpt-oss-120b API pricing?
- Crond currently has the lowest listed gpt-oss-120b price at $0.0030/request across 98 providers.
- Is gpt-oss-120b API free?
- gpt-oss-120b does not currently have a free API tier on LMSpeed. All 98 providers charge per token.