Claude Sonnet Latest vs GPT-4o
API pricing, context window and capabilities for Claude Sonnet Latest and GPT-4o, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersClaude Sonnet Latest wins on price and on context window. Benchmark data is unavailable for one or both models.
Price
Claude Sonnet Latest
Terminal-Bench
Not called
Intelligence
Not called
Context window
Claude Sonnet Latest
Key takeaways
who wins on what, from the published numbersClaude Sonnet Latest wins
- Cheaper input ($2.00 vs $2.50 /1M)
- Larger context window (1M vs 131K)
- Higher max output (128K vs 16K)
- Has reasoning mode
- Has web search
GPT-4o wins
- More serving providers (1 vs 6)
- Supports audio
Cheaper overall
Claude Sonnet Latest
$2.00 + $10.00 /1M
Larger context
Claude Sonnet Latest
1M
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. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| Claude Sonnet Latest | GPT-4o | |
|---|---|---|
| Input $/1M | $2.00OpenRouter routed quote best | $2.50via OpenAI |
| Output $/1M | $10.00OpenRouter routed quote | $10.00via OpenAI |
| Context window | 1M best | 131K |
| Max output | 128K best | 16K |
| Serving providers | 1 | 6 best |
| Date | First listed Jul 2026 | Released May 13, 2024 |
Benchmarks
Benchmark scores, side by side| Claude Sonnet Latest | GPT-4o | |
|---|---|---|
| Intelligence | Not available | 8.4 |
| GPQA Diamond | Not available | 54% |
| Output speed | Not available | 150 t/s |
| Latency (TTFT) | Not available | 0.79s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude Sonnet Latest
via OpenRouter
$20
GPT-4o
via Gmi
$23
Capabilities
feature support, side by side| Feature | Claude Sonnet Latest | GPT-4o |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | — |
| Audio | — | ✓ |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Claude Sonnet Latest or GPT-4o?
Claude Sonnet Latest is cheaper for input ($2.00 vs $2.50 per 1M tokens) as an OpenRouter routed quote.
What is the context window difference between Claude Sonnet Latest and GPT-4o?
Claude Sonnet Latest has a 1M-token context window and GPT-4o has 131K tokens, so Claude Sonnet Latest can take a larger prompt.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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