GPT-5.4 Nano vs Gemini 3.1 Flash Lite
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| Comparison | GPT-5.4 Nanogpt-5.4-nano | Gemini 3.1 Flash Litegemini-3.1-flash-lite |
|---|---|---|
| Type | Chat | Chat |
| Best for | Fast, low-cost replies and high-volume everyday tasks | Fast, low-cost replies and high-volume everyday tasks |
| TokenRex price | $0.20 in / $1.25 out per 1M tokens | $0.25 in / $1.50 out per 1M tokens |
| Cached input / 1M tokens | $0.02 per 1M tokens | $0.025 per 1M tokens |
| Cache write / 1M tokens | No extra fee | No extra fee |
| Cached output | Not offered · standard output rate applies | Not offered · standard output rate applies |
| Web search | $10.00 per 1K searches | $14.00 per 1K searches |
| Market price | $0.20 in / $1.25 out per 1M tokens | $0.25 in / $1.50 out per 1M tokens |
| Context window (provider) | 400,000 tokens | Not applicable |
| Input token limit (provider) | Within the context window | 1,048,576 tokens |
| Maximum output | 128,000 tokens | 65,536 tokens |
| Knowledge cutoff | Aug 31, 2025 | — |
| Vendor input modalities | Not verified | Not verified |
| Vendor output modalities | Not verified | Not verified |
| TokenRex endpoints | POST /v1/chat/completions | POST /v1/chat/completions |
| TokenRex input | Text, Image/PDF content through the chat bridge | — |
| TokenRex output | Text | — |
| Benchmarks | ||
| Benchmark evidence | 5 source-linked results | 3 source-linked results |
| SWE-Bench Pro (Public) | 52.4% Published reasoning effort: xhigh. SWE-Bench Pro (Public) | 57.7% | 54.4% | 52.4% | 45.7% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| Terminal-Bench 2.0 | 46.3% Published reasoning effort: xhigh. Terminal-Bench 2.0 | 75.1% | 60.0% | 46.3% | 38.2% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| Toolathlon | 35.5% Published reasoning effort: xhigh. Toolathlon | 54.6% | 42.9% | 35.5% | 26.9% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| GPQA Diamond | 82.8% Published reasoning effort: xhigh. GPQA Diamond | 93.0% | 88.0% | 82.8% | 81.6% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | 86.9% Official Google-reported score at launch (March 2026), thinking levels enabled per model defaults. Published source text: 86.9% on GPQA Diamond and 76.8% on MMMU Pro Google Blog – Gemini 3.1 Flash-Lite: Built for intelligence at scale |
| OSWorld-Verified | 39% Published reasoning effort: xhigh. OSWorld-Verified | 75.0% | 72.1% | 39.0% | 42.0% | Published model-family result, not a test of TokenRex or its default effort. OpenAI - Introducing GPT-5.4 mini and nano | — |
| MMMU Pro | — | 76.8% Official Google-reported score at launch (March 2026). Published source text: 76.8% on MMMU Pro Google Blog – Gemini 3.1 Flash-Lite: Built for intelligence at scale |
| Arena.ai Elo | — | 1432elo Official Google-reported score at launch (March 2026). Published source text: 3.1 Flash-Lite achieves an impressive Elo score of 1432 on the Arena.ai Leaderboard Google Blog – Gemini 3.1 Flash-Lite: Built for intelligence at scale |
No overall score, winner or cost-versus-score frontier is calculated without comparable, attributable benchmark evidence. Different test configurations appear separately. Vendor capabilities are distinct from TokenRex API support.
— means no published value or no matching capability. Provider token limits are not tested gateway guarantees; TokenRex media controls and response formats are listed separately.
GPT-5.4 Nano
Sources and verification
Provider specifications describe the upstream model, not a guarantee of every feature through TokenRex. Prices come from the enabled catalog; benchmark results belong to the exact tested model.
- Provider model specifications
Vendor-reported
Last checked - OpenAI - Introducing GPT-5.4 mini and nano
Vendor-reported
Last checked
Research notes (1)
- Published provider limits; maximum-capacity requests have not been independently exercised through TokenRex. Thinking-level variants use the same provider model; reasoning and answer tokens share the output budget.
Gemini 3.1 Flash Lite
Sources and verification
Provider specifications describe the upstream model, not a guarantee of every feature through TokenRex. Prices come from the enabled catalog; benchmark results belong to the exact tested model.
- Provider model specifications
Vendor-reported
Last checked - Google Blog – Gemini 3.1 Flash-Lite: Built for intelligence at scale
Vendor-reported
Last checked
Research notes (1)
- Published provider limits; maximum-capacity requests have not been independently exercised through TokenRex. Thinking-level variants use the same provider model; reasoning and answer tokens share the output budget.
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