Model comparison
GPT-5.3 Instant vs Mistral Large 2
Head-to-head evidence from 0 shared benchmark results across 0 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.
Public leaderboard positions: GPT-5.3 Instant #65 (Estimated); Mistral Large 2 #172 (Estimated). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.
Evidence parity. GPT-5.3 Instant and Mistral Large 2 share 0 comparable benchmark results. 0 of 8 categories are comparable. 0 results are unique to GPT-5.3 Instant; 11 to Mistral Large 2.
Updated July 26, 2026- Shared results
- 0
- GPT-5.3 Instant only
- 0
- Mistral Large 2 only
- 11
- Comparable categories
- 0 / 8
Benchmark data for GPT-5.3 Instant and Mistral Large 2 is coming soon on BenchLM.
Confidence note. This is a partial-evidence comparison with 0 shared benchmark results across 0 evidence categories; 0 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.
Why this result
BenchLM does not have sourced benchmark coverage for GPT-5.3 Instant yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
GPT-5.3 Instant has the larger context window at 400K, compared with 128K for Mistral Large 2.
Operational comparison
Runtime and commercial metrics are compared only when both models have a complete sourced value.
| Metric | GPT-5.3 Instant | Mistral Large 2 | Comparison |
|---|---|---|---|
| Input / output priceUSD per 1M tokens | GPT-5.3 Instant$1.75 input / $14 output | Mistral Large 2Not available | A complete price comparison is not available. |
| Generation speedtokens per second | GPT-5.3 InstantNot available | Mistral Large 238 tok/s | A complete speed comparison is not available. |
| First-answer latencyseconds to first token | GPT-5.3 InstantNot available | Mistral Large 21.45 s | A complete latency comparison is not available. |
| Context windowmaximum listed tokens | GPT-5.3 Instant400K | Mistral Large 2128K | GPT-5.3 Instant lists the larger context window. |
Benchmark Deep Dive
Agentic1 benchmarks
| Benchmark | GPT-5.3 Instant | Mistral Large 2 | Result |
|---|---|---|---|
| τ²-bench resultsSource | — | 30.7% | Not comparable |
Coding1 benchmarks
| Benchmark | GPT-5.3 Instant | Mistral Large 2 | Result |
|---|---|---|---|
| AA-SciCodeSource | — | 29.2% | Not comparable |
Reasoning2 benchmarks
Knowledge6 benchmarks
| Benchmark | GPT-5.3 Instant | Mistral Large 2 | Result |
|---|---|---|---|
| Artificial Analysis Intelligence IndexSource | — | 9.2% | Not comparable |
| AA-GPQA DiamondSource | — | 48.6% | Not comparable |
| AA-HLESource | — | 4.0% | Not comparable |
| AA-Omniscience IndexSource | — | -34.0% | Not comparable |
| AA-Omniscience AccuracySource | — | 20.1% | Not comparable |
| AA-Omniscience Hallucination RateSource | — | 67.8% | Not comparable |
Inst. Following1 benchmarks
| Benchmark | GPT-5.3 Instant | Mistral Large 2 | Result |
|---|---|---|---|
| AA-IFBenchSource | — | 31.2% | Not comparable |
Frequently Asked Questions (3)
Can I compare GPT-5.3 Instant and Mistral Large 2 on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for GPT-5.3 Instant and Mistral Large 2 today?
GPT-5.3 Instant: $1.75 input / $14.00 output per 1M tokens Mistral Large 2: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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