gpt-5.3-codex
chatgpt · responses model
Input
N/A
Output
N/A
Cached input
N/A
Context
128.0K
Pricing
| Item | Raw value (per token) | Normalized |
|---|
Token limits
Context window
128.0K
Max input tokens
128.0K
Max output tokens
128.0K
Max tokens
128.0K
Capabilities
| Capability | Supported |
|---|---|
| Vision | Yes |
| Function calling | Yes |
| Parallel function calling | Yes |
| Tool choice | No |
| Prompt caching | No |
| Reasoning | No |
| Response schema | Yes |
| System messages | No |
| Audio input | No |
| Audio output | No |
| Web search | No |
| PDF input | No |
| Video input | No |
Similar models
Models with comparable pricing in the same mode (responses).
| Model | Provider | Input | Output | Context | Coding | Features |
|---|---|---|---|---|---|---|
| gpt-5.1-codex-mini | Azure | $0.2500 / 1M tokens | $2.0000 / 1M tokens | 128.0K | N/A | Vision Tools Cache Reasoning |
| gpt-5.1-codex-mini-2025-11-13 | Azure | $0.2500 / 1M tokens | $2.0000 / 1M tokens | 128.0K | N/A | Vision Tools Cache Reasoning |
| gpt-5.1-codex-mini | Azure | $0.2500 / 1M tokens | $2.0000 / 1M tokens | 128.0K | N/A | Vision Tools Cache Reasoning |
| gpt-5.1-codex-mini | OpenAI | $0.2500 / 1M tokens | $2.0000 / 1M tokens | 128.0K | N/A | Vision Tools Cache Reasoning |
| gpt-5.1-codex-mini | Azure | $0.2750 / 1M tokens | $2.2000 / 1M tokens | 128.0K | N/A | Vision Tools Cache Reasoning |
| gpt-5.1-codex-mini | Azure | $0.2750 / 1M tokens | $2.2000 / 1M tokens | 128.0K | N/A | Vision Tools Cache Reasoning |
Sources
| Pricing source | LiteLLM model cost map |
| Synced at | 2026-05-27 |
| Manual review | Not reviewed |
Raw LiteLLM fields
{
"litellm_provider": "chatgpt",
"max_input_tokens": 128000,
"max_output_tokens": 128000,
"max_tokens": 128000,
"mode": "responses",
"supported_endpoints": [
"/v1/responses"
],
"supports_function_calling": true,
"supports_parallel_function_calling": true,
"supports_response_schema": true,
"supports_vision": true
}