Gemini Flash Latest vs GPT-4o
API pricing, context window and capabilities for Gemini Flash 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 numbersGemini Flash Latest wins on price and on context window. Benchmark data is unavailable for one or both models.
Price
Gemini Flash Latest
Terminal-Bench
Not called
Intelligence
Not called
Context window
Gemini Flash Latest
Key takeaways
who wins on what, from the published numbersGemini Flash Latest wins
- Cheaper input ($0.75 vs $2.50 /1M)
- Cheaper output ($3.75 vs $10.00 /1M)
- Larger context window (1M vs 131K)
- Higher max output (66K vs 16K)
- Has reasoning mode
- Has web search
GPT-4o wins
- More serving providers (2 vs 6)
Cheaper overall
Gemini Flash Latest
$0.75 + $3.75 /1M
Larger context
Gemini Flash 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.
| Gemini Flash Latest | GPT-4o | |
|---|---|---|
| Input $/1M | $0.75via Google best | $2.50via OpenAI |
| Output $/1M | $3.75via Google best | $10.00via OpenAI |
| Context window | 1M best | 131K |
| Max output | 66K best | 16K |
| Serving providers | 2 | 6 best |
| Date | Released May 19, 2026 | Released May 13, 2024 |
Benchmarks
Benchmark scores, side by side| Gemini Flash 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
Gemini Flash Latest
via OpenRouter
$7.50
GPT-4o
via Gmi
$23
Capabilities
feature support, side by side| Feature | Gemini Flash Latest | GPT-4o |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | — |
| Audio | ✓ | ✓ |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Gemini Flash Latest or GPT-4o?
Gemini Flash Latest is cheaper for input ($0.75 vs $2.50 per 1M tokens) from Google. Gemini Flash Latest is cheaper for output ($3.75 vs $10.00 per 1M tokens) from Google.
What is the context window difference between Gemini Flash Latest and GPT-4o?
Gemini Flash Latest has a 1M-token context window and GPT-4o has 131K tokens, so Gemini Flash Latest can take a larger prompt.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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