Data points: 55
The readout for Claude Instant 1.2 and GPT-5, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 0 to 3.
Evidence depth
55 data points
Includes 0 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5
The charts below split 7 high-signal samples across speed, scores, and audit health.
Model compare Claude Instant 1.2 vs GPT-5claude-instant-1-2-vs-gpt-5 | Model A Claude Instant 1.2 | Model B GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 3 wins |
| Where it leads | No data | Cheapest input price, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Instant 1.2 | GPT-5 |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Instant 1.2 | GPT-5 |
|---|---|---|
| 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 | Claude Instant 1.2 | GPT-5 |
|---|---|---|
0 tests | Claude Instant 1.2 claude-instant-1.2 speed / latency N/A / N/A input / output $14.40/M / $43.20/M |
This report only uses LMSpeed data for Claude Instant 1.2 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Instant 1.2 | GPT-5 |
|---|---|---|
| When to choose each model | Claude Instant 1.2 Claude Instant 1.2 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Provider coverage, Recent tests. |
TL;DR: GPT-5 leads across 55 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Instant 1.2 vs GPT-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | No OpenRouter metadata is available yet for this model. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | Anthropic | OpenAI |
| Context window | No data | 128K tokens |
| Max output | No data | 16.4K tokens |
| Released | No data | Aug 2025 |
| Modalities | No data | Input FileImageText Output Text |
| Features | None listed | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | 2024-09-30 |
| OpenRouter ID | No data | openai/gpt-5-chat |
| References | No data | No data |
GPT-5
gpt-5-minimal
speed / latency
N/A / N/A
input / output
$2.25/M / $18.00/M
IXIOCCAPI0 tests | Claude Instant 1.2 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
KFCV500 tests | Claude Instant 1.2 claude-instant-1.2 speed / latency N/A / N/A input / output $0.110/M / $0.329/M | GPT-5 gpt-5-openai-compact speed / latency N/A / N/A input / output $10.27/M / $10.27/M |
|---|
Last API0 tests | Claude Instant 1.2 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
MagicAI0 tests | Claude Instant 1.2 claude-instant-1.2 speed / latency N/A / N/A input / output $4.00/M / $4.00/M | GPT-5 gpt-5 speed / latency N/A / N/A input / output $3.00/M / $24.00/M |
|---|
Claude Instant 1.2 claude-instant-1.2 speed / latency No data input / output $1.63/M / $1.63/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $1.25/M / $10.00/M |
Claude Instant 1.2 claude-instant-1.2 speed / latency No data input / output $90.00/M / $270.00/M | GPT-5 gpt-5-chat-latest speed / latency No data input / output $1.50/M / $12.00/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
