Reka Flash 3 vs GPT Chat Latest compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.
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Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | Reka Flash 3 | GPT Chat Latest | Winner |
|---|---|---|---|
| Maker | Rekaai | OpenAI | – |
| Type | Open-weight | Proprietary | |
| Context window | 66K tokens | 400K tokens | |
| Input price | $0.1/M · free self-host | $5/M | |
| Output price | $0.2/M · free self-host | $30/M | |
| Vision / multimodal | No | Yes | |
| Tool / function calling | No | Yes | |
| Self-hostable | Yes | No (API only) | |
| License | Open weights | Proprietary |
Reka Flash 3 is ~150× cheaper than GPT Chat Latest on output tokens ($0.2 vs $30 per M tokens).
| Capability | Reka Flash 3 | GPT Chat Latest |
|---|---|---|
| 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 | Reka Flash 3 | GPT Chat Latest |
|---|---|---|
| Cost-efficiency | 5.0 | 3.0 |
| Context window | 3.0 | 4.5 |
| Openness | 5.0 | 1.5 |
| Self-hosting | 5.0 | 1.0 |
| Multimodality | 2.0 | 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.
Reka Flash 3 is a general-purpose, instruction-tuned large language model with 21 billion parameters, developed by Reka. It excels at general chat, coding tasks, instruction-following, and function calling. Featuring a...
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...
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Reka Flash 3 is open-weight and competitive on many tasks, but GPT Chat Latest may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.
Yes. Reka Flash 3 has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. GPT Chat Latest is API-only and cannot be self-hosted.
Reka Flash 3 costs $0.2/M output vs $30/M for GPT Chat Latest — roughly 150x cheaper via API, and free if you self-host.
Choose Reka Flash 3 if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose GPT Chat Latest if you want frontier capability through a managed API with zero infrastructure to run.
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