Friday, August 21, 2026 · No. 390Prices synced 3 hours ago
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The AI Model Price Index

OpenAI GPT-OSS 20b

by Helicone · family gpt-oss · listed Jun 2024RT

Open-weight GPT model for self-hosted reasoning and instruction-following workloads

Current rates USD per 1M tokens

Input$0.05
Output$0.20
Cache read—
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
OpenAI GPT-OSS 20bOpenAI GPT-OSS 20b: $0.05 per 1M tokens$0.05DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Gemini 3.7 FlashGemini 3.7 Flash: $0.75 per 1M tokens$0.75Mistral Medium 3.5Mistral Medium 3.5: $1.50 per 1M tokens$1.50Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
OpenAI GPT-OSS 20bOpenAI GPT-OSS 20b: $0.20 per 1M tokens$0.20DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Gemini 3.7 FlashGemini 3.7 Flash: $3.75 per 1M tokens$3.75Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium 3.5Mistral Medium 3.5: $7.50 per 1M tokens$7.50Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
gpt-oss-20b
Context window
131K tokens
Max output
131K tokens
Input modalities
text
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
Jun 2024
Released
2024-06-01
Last updated
2024-06-01
Provider docs
helicone.ai/models

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