Data points: 91
The readout for GPT-5 and Reka Flash 3, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 4 to 0.
Evidence depth
91 data points
Includes 13 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with GPT-5
The charts below split 18 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
Model compare GPT-5 vs Reka Flash 3gpt-5-vs-reka-flash-3 | Model A GPT-5 | Model B Reka Flash 3 |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GPT-5
60.4
Avg. score
Reka Flash 3
48.9
Selected category
Reasoning
GPT-5 leads by 5.3
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GPT-5
winner0.89 s
Rank #29/139 · confidence 4
Reka Flash 3
57.69 s
Rank #126/139 · confidence 4
GPT-5
winner0.89 s
Rank #43/139 · confidence 4
Reka Flash 3
36.90 s
Rank #131/139 · confidence 4
GPT-5
67.0 tok/s
Rank #91/139 · confidence 4
Reka Flash 3
winner96.2 tok/s
Rank #67/139 · confidence 4
GPT-5
$1.25/M
Rank #113/167 · confidence 4
Reka Flash 3
winner$0.200/M
Rank #29/167 · confidence 4
GPT-5
$3.44/M
Rank #123/167 · confidence 4
Reka Flash 3
winner$0.350/M
Rank #30/167 · confidence 4
GPT-5
$10.00/M
Rank #126/167 · confidence 4
Reka Flash 3
winner$0.800/M
Rank #31/167 · confidence 4
GPT-5
winner80.6%
Rank #57/125 · confidence 4
Reka Flash 3
66.9%
Rank #110/125 · confidence 4
GPT-5
winner67.3%
Rank #120/187 · confidence 4
Reka Flash 3
52.9%
Rank #158/187 · confidence 4
GPT-5
winner5.4%
Rank #131/186 · confidence 4
Reka Flash 3
5.1%
Rank #134/186 · confidence 4
GPT-5
winner55.8%
Rank #53/119 · confidence 4
Reka Flash 3
43.5%
Rank #72/119 · confidence 4
GPT-5
winner38.8%
Rank #82/184 · confidence 4
Reka Flash 3
26.7%
Rank #152/184 · confidence 4
GPT-5
36.7%
Rank #35/68 · confidence 4
Reka Flash 3
winner51.0%
Rank #27/68 · confidence 4
GPT-5
86.1%
Rank #42/72 · confidence 4
Reka Flash 3
winner89.3%
Rank #35/72 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5 | Reka Flash 3 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GPT-5 | Reka Flash 3 |
|---|---|---|
0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Reka Flash 3 |
This report only uses LMSpeed data for GPT-5 and Reka Flash 3: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5 | Reka Flash 3 |
|---|---|---|
| When to choose each model | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Reka Flash 3 Reka Flash 3 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: GPT-5 leads across 91 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5 vs Reka Flash 3 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GPT-5 exposes 400K tokens; notable signals: Text input, Image input, File input, Text output. | Reka Flash 3 exposes 65.5K tokens; notable signals: Text input, Text output, Structured outputs, Reasoning. |
|---|---|---|
| Developer | OpenAI | Rekaai |
| Context window | 400K tokens | 65.5K tokens |
| Max output | 128K tokens | 65.5K tokens |
| Released | Aug 2025 | Mar 2025 |
| Modalities | Input TextImageFile Output Text | Input Text Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputStructured outputsReasoning |
| Parameters | No data | No data |
| Tokenizer | GPT | Other |
| Knowledge cutoff | 2024-09-30 | 2025-01-31 |
| OpenRouter ID | openai/gpt-5 | rekaai/reka-flash-3 |
| References | No data | No data |
speed / latency
N/A / N/A
input / output
No data
Dext API0 tests | GPT-5 gpt-5 speed / latency N/A / N/A input / output $0.103/M/$0.822/M | Reka Flash 3 rekaai/reka-flash-3 speed / latency N/A / N/A input / output $0.0041/M/$0.0082/M |
|---|
IXIOCCAPI0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Reka Flash 3 speed / latency N/A / N/A input / output No data |
|---|
OpenRouter0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Reka Flash 3 speed / latency N/A / N/A input / output No data |
|---|
OpenRouter Fans0 tests | GPT-5 speed / latency N/A / N/A input / output No data | Reka Flash 3 speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
