GPT-5 Mini
by OpenAIopenai/gpt-5-mini
LLMCompare cannot run GPT-5 Mini yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowGPT-5 Mini at a glance
- Context length
- 400,000 tokens
- Maximum output
- 128,000 tokens
- Accepts
- Text, Image, File
- Returns
- Text
- Features
- ReasoningJSON outputTool callingPrompt cachingImage input
- Reasoning effort levels
highmediumlowminimalReasoning is always on for this model.- Released
- 7 Aug 2025
- Knowledge cutoff
- 31 May 2024
Model facts synced from the OpenRouter model list on 21 Oct 2026.
GPT-5 Mini pricing by route
A route is the service LLMCompare calls to reach the model. GPT-5 Mini has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Cache readper 1M tokens | Price verified on | Source |
|---|---|---|---|---|---|---|
| OpenRouterDefault | Not configured | $0.25 | $2.00 | $0.025 | openrouter.ai/openai/gpt-5-mini |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to GPT-5 Mini costs. The starting numbers are examples. Change them to match your task.
Part of the input tokens above, billed at the cache read price.
Billed in addition to the output tokens.
- Cost per call
- $0.0013
- 2 credits
- Cost of 100 calls
- $0.125
- 200 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
max_tokens | Integer | 1 to 128,000 | Provider default |
reasoning_effort | One of | highmediumlowminimal | medium |
seed | Integer | -2,147,483,648 to 4,294,967,295 | Provider default |
response_format | One of | textjson_object | Provider default |
About GPT-5 Mini
GPT-5 Mini is a compact version of GPT-5, designed to handle lighter-weight reasoning tasks. It provides the same instruction-following and safety-tuning benefits as GPT-5, but with reduced latency and cost....
Description as published for this model. LLMCompare has not edited it.
Models to compare with GPT-5 Mini
Text models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Context | Max output | Input priceper 1M tokens | Output priceper 1M tokens | Features | Released | On LLMCompare |
|---|---|---|---|---|---|---|---|---|
GPT-5.1-Codex-MiniOpenAIopenai/gpt-5.1-codex-mini | 400k | 128k | $0.25 | $2.00 | ReasoningJSONToolsCacheVision | No route yet | ||
GPT-4.1 MiniOpenAIopenai/gpt-4.1-mini | 1.05M | 32.8k | $0.40 | $1.60 | JSONToolsCacheVision | No route yet | ||
GPT-3.5 TurboOpenAIopenai/gpt-3.5-turbo | 16.4k | 4.1k | $0.50 | $1.50 | JSONTools | No route yet | ||
Qwen3.6 27BQwenqwen/qwen3.6-27b | 262k | 65.5k | $0.25 | $2.00 | JSONToolsCacheVision | No route yet | ||
Seed-2.0-LiteByteDance Seedbytedance-seed/seed-2.0-lite | 262k | 131k | $0.25 | $2.00 | ReasoningJSONToolsVision | No route yet | ||
Qwen3.6 PlusQwenqwen/qwen3.6-plus | 1M | 65.5k | $0.325 | $1.95 | JSONToolsVision | No route yet |
Questions about GPT-5 Mini
- How much does GPT-5 Mini cost?
- On the OpenRouter route, GPT-5 Mini costs $0.25 per 1 million input tokens and $2.00 per 1 million output tokens, in US dollars. Input tokens that GPT-5 Mini reads from the prompt cache cost $0.025 per 1 million tokens. LLMCompare verified this price on 21 Oct 2026.
- What is the context length of GPT-5 Mini?
- GPT-5 Mini has a context length of 400,000 tokens and returns up to 128,000 output tokens in one call.
- What inputs does GPT-5 Mini accept?
- GPT-5 Mini accepts these inputs: Text, Image, File. GPT-5 Mini returns: Text.
- Which reasoning effort levels does GPT-5 Mini support?
- GPT-5 Mini supports these reasoning effort levels: high, medium, low, minimal. Reasoning is always on for GPT-5 Mini and cannot be turned off.
- Can I test GPT-5 Mini on my own data?
- Not yet. LLMCompare lists the prices and parameters of GPT-5 Mini, but no route to GPT-5 Mini is configured on LLMCompare, so it cannot be selected for an evaluation.