GPT Chat Latest vs GPT Audio compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT Chat Latest — full profile › · GPT Audio — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | GPT Chat Latest | GPT Audio | Winner |
|---|---|---|---|
| Maker | OpenAI | OpenAI | – |
| Type | Proprietary | Proprietary | – |
| Context window | 400K tokens | 128K tokens | |
| Input price | $5/M | $2.5/M | |
| Output price | $30/M | $10/M | |
| Vision / multimodal | Yes | No | |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
GPT Audio is ~3.0× cheaper than GPT Chat Latest on output tokens ($10 vs $30 per M tokens).
| Capability | GPT Chat Latest | GPT Audio |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✗ |
| Criterion | GPT Chat Latest | GPT Audio |
|---|---|---|
| Cost-efficiency | 3.0 | 3.5 |
| Context window | 4.5 | 3.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 3.5 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As OpenAI rolls out new Instant model updates...
The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...
GPT Audio is cheaper on output ($10/M vs $30/M).
GPT Chat Latest offers the larger context window (400K tokens).
Choose GPT Audio for the lower output price ($10/M vs $30/M). Choose GPT Chat Latest if you need the larger 400K context window.
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