GPT Chat Latest vs Gemini 3.8 Flash compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT Chat Latest — full profile › · Gemini 3.8 Flash — 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 | Gemini 3.8 Flash | Winner |
|---|---|---|---|
| Maker | OpenAI | – | |
| Type | Proprietary | Proprietary | – |
| Context window | 400K tokens | 1M tokens | |
| Input price | $5/M | $0.75/M | |
| Output price | $30/M | $3.75/M | |
| Vision / multimodal | Yes | Yes | = Tie |
| Tool / function calling | Yes | Yes | = Tie |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Gemini 3.8 Flash is ~8.0× cheaper than GPT Chat Latest on output tokens ($3.75 vs $30 per M tokens).
| Capability | GPT Chat Latest | Gemini 3.8 Flash |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✓ |
| Tool / function calling | ✓ | ✓ |
| 1M+ context window | ✗ | ✓ |
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
| Criterion | GPT Chat Latest | Gemini 3.8 Flash |
|---|---|---|
| Cost-efficiency | 3.0 | 4.0 |
| Context window | 4.5 | 5.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 5.0 |
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...
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Gemini 3.8 Flash is cheaper on output ($3.75/M vs $30/M).
Gemini 3.8 Flash offers the larger context window (1M tokens).
Choose Gemini 3.8 Flash for the lower output price ($3.75/M vs $30/M). It also gives you the larger 1M context window.
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