gpt-5-nano
OpenRouter · chat model
gpt-5-nano is listed here as a chat model from OpenRouter. This page shows simple API pricing, token limits, and capability flags so you can compare it with similar options.
Input
$0.0500 / 1M tokens
Output
$0.4000 / 1M tokens
Cached input
$0.0050 / 1M tokens
Context
128.0K
Quick read
Best for
Use this page when you need a fast view of cost, context size, and supported features before testing the model in your own workload.
Things to verify
Always check the provider page for discounts, cache pricing, region rules, and any model limits that may not appear in public metadata.
Pricing
| Item | Price |
|---|---|
| Input | $0.0500 / 1M tokens |
| Output | $0.4000 / 1M tokens |
| Cached input | $0.0050 / 1M tokens |
| Embedding | $0.0500 / 1M tokens |
Token limits
Context window
128.0K
Max input tokens
272.0K
Max output tokens
128.0K
Max tokens
128.0K
Capabilities
| Capability | Supported |
|---|---|
| Vision | — |
| Function calling | — |
| Parallel function calling | — |
| Tool choice | ✅ |
| Prompt caching | — |
| Reasoning | ✅ |
| Response schema | — |
| System messages | — |
| Audio input | — |
| Audio output | — |
| Web search | — |
| PDF input | — |
| Video input | — |
Benchmarks
Most benchmark rows are attached to the base model family rather than this provider route. Open benchmark explorer
| Benchmark | Score | Metric | Scope | Checked | Source |
|---|---|---|---|---|---|
| SWE-bench Verified | 74.9% | accuracy (%) | Base model: gpt-5 (GPT-5 (high)) | 2026-05-31 | Link |
| Aider Polyglot | 88.0% | accuracy (%) | Base model: gpt-5 (GPT-5 (high)) | 2026-05-31 | Link |
| GPQA Diamond | 85.7% | accuracy (%) | Base model: gpt-5 (GPT-5 (high)) | 2026-05-31 | Link |
| AIME 2025 | 94.6% | accuracy (%) | Base model: gpt-5 (GPT-5 (high)) | 2026-05-31 | Link |
| Tau2-bench Telecom | 96.7% | accuracy (%) | Base model: gpt-5 (GPT-5 (high)) | 2026-05-31 | Link |
| Aider Polyglot | 88.0% | percent correct | Base model: GPT-5 (openai/gpt-5) | 2026-05-31 | Link |
| Aider Polyglot | 86.7% | percent correct | Base model: GPT-5 (openai/gpt-5) | 2026-05-31 | Link |
| Aider Polyglot | 81.3% | percent correct | Base model: GPT-5 (openai/gpt-5) | 2026-05-31 | Link |
| AIME 2025 | 85.2% | accuracy (%) | Base model: gpt-5-nano (GPT-5 nano (high)) | 2026-05-31 | Link |
Sources
| Source links | |
| Pricing data | LiteLLM model cost map |
| Synced at | 2026-05-28 |
Docs
| Official docs |
Similar models
This list is ranked by overall similarity. Use filters to emphasize the lens that matters most for the replacement you are making.
Comparing from
| Model | Cost | Input shape | Features | Context | Why it is close |
|---|---|---|---|---|---|
| gpt-5-nano OpenRouter | In $0.0500 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 128.0K | Current model Reference row |
| Model | Cost | Input shape | Features | Context | Why it is close |
|---|---|---|---|---|---|
| gpt-5-mini OpenRouter | In $0.2500 / 1M tokens Out $2.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 128.0K | Same provider Overall 84% |
| gpt-5 OpenRouter | In $1.2500 / 1M tokens Out $10.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 128.0K | Same provider Overall 81% |
| gpt-5-codex OpenRouter | In $1.2500 / 1M tokens Out $10.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 128.0K | Same provider Overall 73% |
| gpt-5.2-codex OpenRouter | In $1.7500 / 1M tokens Out $14.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 128.0K | Same provider Overall 73% |
| gpt-5-nano Azure | In $0.0500 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext pdf
Output: text | Tool choiceReasoning | 128.0K | Text + image covered Overall 73% |
| gpt-5-nano-2025-08-07 Azure | In $0.0500 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext pdf
Output: text | Tool choiceReasoning | 128.0K | Text + image covered Overall 73% |
| mistral-small-3.2-24b-instruct OpenRouter | In $0.1000 / 1M tokens Out $0.3000 / 1M tokens | fileimagetext
Output: text | Tool choice | 128.0K | Same provider Overall 72% |
| gpt-5-nano OpenAI | In $0.0500 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext pdf
Output: text | Tool choiceReasoning | 128.0K | Text + image covered Overall 72% |
| gpt-5-nano-2025-08-07 OpenAI | In $0.0500 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext pdf
Output: text | Tool choiceReasoning | 128.0K | Text + image covered Overall 72% |
| mistral-small-3.1-24b-instruct OpenRouter | In $0.1000 / 1M tokens Out $0.3000 / 1M tokens | fileimagetext
Output: text | Tool choice | 131.1K | Same provider Overall 72% |
| gpt-5-chat OpenRouter | In $1.2500 / 1M tokens Out $10.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 16.4K | Same provider Overall 68% |
| gpt-5.2-pro OpenRouter | In $21.0000 / 1M tokens Out $168.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 128.0K | Same provider Overall 68% |
| gpt-5.2 OpenRouter | In $1.7500 / 1M tokens Out $14.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 128.0K | Same provider Overall 66% |
| qwen3.5-flash-02-23 OpenRouter | In $0.1000 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext video
Output: text | Tool choiceReasoning | 65.5K | Same provider Overall 64% |
| claude-opus-4 OpenRouter | In $15.0000 / 1M tokens Out $75.0000 / 1M tokens | fileimagetext
Output: text | Tool choiceReasoning | 32.0K | Same provider Overall 52% |
| gpt-5-nano replicate | In $0.0500 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext
Output: text | Low overlap | N/A | Text + image covered Overall 52% |
| databricks-gpt-5-nano databricks | In $0.0500 / 1M tokens Out $0.4000 / 1M tokens | fileimagetext
Output: unknown | Low overlap | 128.0K | Partial I/O overlap Overall 35% Missing text, image |
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