GPT-4o vs GPT Chat Latest
API pricing, context window and capabilities for GPT-4o and GPT Chat Latest, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGPT-4o wins on price. GPT Chat Latest wins on context window. Benchmark data is unavailable for one or both models.
Price
GPT-4o
Terminal-Bench
Not called
Intelligence
Not called
Context window
GPT Chat Latest
Key takeaways
who wins on what, from the published numbersGPT-4o wins
- Cheaper input ($2.50 vs $5.00 /1M)
- Cheaper output ($10.00 vs $30.00 /1M)
- More serving providers (6 vs 3)
- Supports audio
GPT Chat Latest wins
- Larger context window (131K vs 400K)
- Higher max output (16K vs 128K)
- Has reasoning mode
- Has web search
Cheaper overall
GPT-4o
$2.50 + $10.00 /1M
Larger context
GPT Chat Latest
400K
More providers
GPT-4o
6 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
| GPT-4o | GPT Chat Latest | |
|---|---|---|
| Input $/1M | $2.50via OpenAI best | $5.00via Aihubmix |
| Output $/1M | $10.00via OpenAI best | $30.00via Aihubmix |
| Context window | 131K | 400K best |
| Max output | 16K | 128K best |
| Serving providers | 6 best | 3 |
| Date | Released May 13, 2024 | Released May 5, 2026 |
Benchmarks
Benchmark scores, side by side| GPT-4o | GPT Chat Latest | |
|---|---|---|
| Intelligence | 8.4 | Not available |
| GPQA Diamond | 54% | Not available |
| Output speed | 150 t/s | Not available |
| Latency (TTFT) | 0.79s | Not available |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-4o
via Gmi
$23
GPT Chat Latest
via OpenRouter
$55
Capabilities
feature support, side by side| Feature | GPT-4o | GPT Chat Latest |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | — | ✓ |
| Audio | ✓ | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, GPT-4o or GPT Chat Latest?
GPT-4o is cheaper for input ($2.50 vs $5.00 per 1M tokens) from OpenAI. GPT-4o is cheaper for output ($10.00 vs $30.00 per 1M tokens) from OpenAI.
What is the context window difference between GPT-4o and GPT Chat Latest?
GPT-4o has a 131K-token context window and GPT Chat Latest has 400K tokens, so GPT Chat Latest can take a larger prompt.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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