Data points: 47
The readout for GPT-5.4 and Jamba 1.5 Large Instruct, before the detailed comparison sheet.
Decision read
GPT-5.4
GPT-5.4 currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
47 data points
Includes 0 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.4
The charts below split 8 high-signal samples across speed, scores, and audit health.
Model compare GPT-5.4 vs Jamba 1.5 Large Instructgpt-5-4-vs-jamba-1-5-large-instruct | Model A GPT-5.4 | Model B Jamba 1.5 Large Instruct |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | Cheapest input price, Free providers, Provider coverage, Recent tests | Average speed, First-token latency |
| Model metadata | No OpenRouter metadata is available yet for this model. | No OpenRouter metadata is available yet for this model. |
| Developer | OpenAI | No data |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | No data | No data |
| Modalities | No data | No data |
| Features | None listed | None listed |
| Parameters | No data | No data |
| Tokenizer | No data | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | No data |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GPT-5.4 | Jamba 1.5 Large Instruct |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GPT-5.4 | Jamba 1.5 Large Instruct |
|---|---|---|
| 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-5.4 | Jamba 1.5 Large Instruct |
|---|---|---|
星见雅 API20 tests | GPT-5.4 speed / latency 49 tok/s / 5435ms input / output No data | Jamba 1.5 Large Instruct speed / latency N/A / N/A input / output No data |
6345ywz API15 tests | GPT-5.4 gpt-5.4 speed / latency 41 tok/s / 6581ms input / output $0.342/M / $2.05/M | Jamba 1.5 Large Instruct ai21labs/jamba-1.5-large-instruct speed / latency N/A / N/A input / output $0.137/M / $0.137/M |
WSocket AI5 tests | GPT-5.4 speed / latency 36 tok/s / 12157ms input / output No data | Jamba 1.5 Large Instruct speed / latency N/A / N/A input / output No data |
9527 API0 tests | GPT-5.4 speed / latency N/A / N/A input / output No data | Jamba 1.5 Large Instruct speed / latency N/A / N/A input / output No data |
AI Claw API0 tests | GPT-5.4 gpt-5.4 speed / latency N/A / N/A input / output $75.00/M / $450.00/M | Jamba 1.5 Large Instruct ai21labs/jamba-1.5-large-instruct speed / latency N/A / N/A input / output $100.00/M / $1000.00/M |
GPT-5.4 gpt-5.4 speed / latency No data input / output $0.400/M / $2.40/M | Jamba 1.5 Large Instruct ai21labs/jamba-1.5-large-instruct speed / latency No data input / output $0.050/M / $0.050/M | |
GPT-5.4 gpt-5.4 speed / latency No data input / output $2.50/M / $15.00/M | Jamba 1.5 Large Instruct jamba-1.5-large-instruct speed / latency No data input / output $75.00/M / $75.00/M | |
GPT-5.4 gpt-5.4 speed / latency No data input / output $2.50/M / $20.00/M | Jamba 1.5 Large Instruct ai21labs/jamba-1.5-large-instruct speed / latency No data input / output $75.00/M / $75.00/M |
This report only uses LMSpeed data for GPT-5.4 and Jamba 1.5 Large Instruct: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GPT-5.4 | Jamba 1.5 Large Instruct |
|---|---|---|
| When to choose each model | GPT-5.4 GPT-5.4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Jamba 1.5 Large Instruct Jamba 1.5 Large Instruct is stronger when you prioritize Average speed, First-token latency. |
TL;DR: GPT-5.4 leads across 47 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GPT-5.4 vs Jamba 1.5 Large Instruct into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
